NASA Jet Propulsion Laboratory California Institute of Technology
Icon  Name                                                                                                                                                                                           Last modified      Size  Description
[PARENTDIR] Parent Directory - [   ] Workshop 2014 - PS01 - Dach - 2160 - Activities at the CODE Analysis Center.pdf 2021-06-14 22:22 4.2M [   ] Workshop 2014 - PS01 - Desai - 2209 - Status and Plans at the JPL IGS Analysis Center.pdf 2021-06-14 22:22 350K [   ] Workshop 2014 - PS01 - Donahue - 2177 - Current Status and Future Plans at the Natural Resources Canada (NRCan) Analysis Centre.pdf 2021-06-14 22:22 14M [   ] Workshop 2014 - PS01 - Garcia-Fernandez - 2275 - Convenient modeling of second order ionospheric effects on GPS data using GIMs for operational network solutions..pdf 2021-06-14 22:22 4.7M [   ] Workshop 2014 - PS01 - Garcia-Serrano - 2164 - The ESA and ESOC Analysis Center Progress and Improvements.pdf 2021-06-14 22:22 965K [   ] Workshop 2014 - PS01 - Hackman - 2179 - USNO Analysis Center Progress 2012-2014.pdf 2021-06-14 22:22 2.0M [   ] Workshop 2014 - PS01 - Lutz - 2326 - Updating the CODE ultra-rapid procedure.pdf 2021-06-14 22:22 5.3M [   ] Workshop 2014 - PS01 - Steigenberger - 2101 - CODE Contribution to the 2nd IGS Reprocessing.pdf 2021-06-14 22:22 1.8M [   ] Workshop 2014 - PS02 - Bilich - 2184 - Relative vs Absolute Antenna Calibrations.pdf 2021-06-14 22:22 921K [   ] Workshop 2014 - PS02 - Dilssner - 2121 - Estimation of Satellite Antenna Phase Center Corrections for BeiDou.pdf 2021-06-14 22:22 1.5M [   ] Workshop 2014 - PS02 - Kersten - 2143 - Antenna Code Phase Variations (GDVs) and the Impact on Ambiguity Resolution.pdf 2021-06-14 22:22 7.9M [   ] Workshop 2014 - PS02 - Rodriguez Perez - 2168 - Calibrating GNSS Satellite Antenna Group-Delay Variations using space and ground receivers.pdf 2021-06-14 22:22 398K [   ] Workshop 2014 - PS02 - Schon - 2199 - Comparing antenna phase center corrections.pdf 2021-06-14 22:22 1.7M [   ] Workshop 2014 - PS03 - Becker - 2264 - Inter-signal and frequency biases and their meaning for multi-constellation multi-frequency processing.pdf 2021-06-14 22:22 818K [   ] Workshop 2014 - PS03 - Chen - 2301 - Multi-GNSS Precise Point Positioning.pdf 2021-06-14 22:22 9.1K [   ] Workshop 2014 - PS03 - Feng - 2106 - Analyses of GNSS inter-signal delays with geometry-free combinations of GPS and QZSS triple frequency signals.pdf 2021-06-14 22:22 1.1M [   ] Workshop 2014 - PS03 - Lestarquit - 2195 - P1-C1 DCB determination using a high gain antenna coupled to the LCI method. Receiver type impact.pdf 2021-06-14 22:22 649K [   ] Workshop 2014 - PS03 - Mercier - 2290 - Wide-Lane ambiguity fixing anomalies observed in Repro2 solutions.pdf 2021-06-14 22:22 352K [   ] Workshop 2014 - PS04 - Boler - 2263 - GPS and GNSS Data and Metadata Services at the UNAVCO Data Center.pdf 2021-06-14 22:22 2.0M [   ] Workshop 2014 - PS04 - Noll - 2122 - Recent Developments at the CDDIS.pdf 2021-06-14 22:22 2.1M [   ] Workshop 2014 - PS05 - Ahmed - 2152 - A Comparative Analysis of Tropospheric Delay Estimates from Network and Precise Point Positioning Processing Strategies.pdf 2021-06-14 22:22 13M [   ] Workshop 2014 - PS05 - Bosy - 2111 - Real-time GNSS and meteorological activities at Wroclaw University of Environmental and Life Sciences.pdf 2021-06-14 22:22 5.6M [   ] Workshop 2014 - PS05 - Byram - 2235 - IGS Final Troposphere Product Update.pdf 2021-06-14 22:22 1.0M [   ] Workshop 2014 - PS05 - Deng - 2230 - The information content of GPS Slant Total Delays.pdf 2021-06-14 22:22 1.8M [   ] Workshop 2014 - PS05 - Feng - 2107 - Achieving sub-centimetre RTK positioning accuracy by kinematic estimation of relative zenith troposphere-delays.pdf 2021-06-14 22:22 3.4M [   ] Workshop 2014 - PS05 - Guergana - 2115 - Exploitation of ground-based GNSS for Meteorology and Climate studies in Bulgaria and Southeast Europe.pdf 2021-06-14 22:22 796K [   ] Workshop 2014 - PS05 - Guerova - 2134 - Reprocessed GNSS tropospheric products for regional climate model validation in Southeast Europe.pdf 2021-06-14 22:22 875K [   ] Workshop 2014 - PS05 - Jones - 2306 - E-GVAP.pdf 2021-06-14 22:22 398K [   ] Workshop 2014 - PS05 - Jones - 2307 - Advanced GNSS tropospheric products for monitoring severe weather and climate (GNSS4SWEC).pdf 2021-06-14 22:22 220K [   ] Workshop 2014 - PS05 - Moller - 2170 - Comparison of IGS final troposphere estimates with ray-traced delays.pdf 2021-06-14 22:22 8.1M [   ] Workshop 2014 - PS05 - Moore - 2362 - Densified GPS Estimates of Integrated Precipitable Water Vapor Improve Weather Forecasting during the North American Monsoon.pdf 2021-06-14 22:23 3.3M [   ] Workshop 2014 - PS05 - Park - 2128 - Estimation of GNSS PWV in KOREA Peninsula for a Very Short-Term Weather Forecast.pdf 2021-06-14 22:23 1.3M [   ] Workshop 2014 - PS05 - Pilapanta - 2181 - Determination and Modeling of Tropospheric Delay Error and Precipitable Water Vapor Content in Ecuador.pdf 2021-06-14 22:23 3.0M [   ] Workshop 2014 - PS05 - Pottiaux - 2118 - Using the IGS Real-Time Service and G-Nut and Tefnut for Nowcasting Severe Weather.pdf 2021-06-14 22:23 3.2M [   ] Workshop 2014 - PS05 - Vaclavovic - 2293 - Developments and assessments of new tropospheric real time products at GOP.pdf 2021-06-14 22:23 607K [   ] Workshop 2014 - PS05 - Zus - 2359 - The information content of GPS slant total delays.pdf 2021-06-14 22:23 1.8M [   ] Workshop 2014 - PS06 - Bhattarai - 2099 - A performance analysis of the IGS predictions of the GPS satellite clocks.pdf 2021-06-14 22:23 3.1M [   ] Workshop 2014 - PS06 - Schon - 2146 - Benefits from receiver clock modeling.pdf 2021-06-14 22:23 2.3M [   ] Workshop 2014 - PS07 - Butala - 2310 - Evaluating the Impact of GLONASS-Derived TEC Measurements on JPL GIM and JPL and USC GAIM.pdf 2021-06-14 22:23 5.0M [   ] Workshop 2014 - PS07 - Garcia-Rigo - 2165 - UPC contributions to GNSS monitoring of ionosphere in the frame of the IGS Iono-WG.pdf 2021-06-14 22:23 2.0M [   ] Workshop 2014 - PS07 - Ghoddousi-Fard - 2162 - GPS ionospheric mapping at Natural Resources Canada.pdf 2021-06-14 22:23 7.9M [   ] Workshop 2014 - PS07 - Joldzic - 2316 - Ionospheric Modeling based on Integer-Leveled Phase-Ambiguities.pdf 2021-06-14 22:23 553K [   ] Workshop 2014 - PS08 - Berglund - 2166 - Effects of the April 1st, 2014 GLONASS Outage on GNSS Receivers.pdf 2021-06-14 22:23 2.1M [   ] Workshop 2014 - PS08 - Bradke - 2102 - GFZ Sensor Meta Information System - Next generation IGS metadata handling.pdf 2021-06-14 22:23 686K [   ] Workshop 2014 - PS08 - Bruyninx - 2130 - Challenger and Upgrades of the EPN Central Bureau Informaton System.pdf 2021-06-14 22:23 1.9M [   ] Workshop 2014 - PS08 - Donahue - 2175 - Natural Resources Canada (NRCan), Modernized GNSS Data Connection and Distribution Infrastructure.pdf 2021-06-14 22:23 10M [   ] Workshop 2014 - PS08 - Hedling - 2144 - New Developments in the SWEPOS Network.pdf 2021-06-14 22:23 1.9M [   ] Workshop 2014 - PS08 - Hu - 2095 - Global Navigation Satellite Systems (GNSS) Activities at Geoscience Australia.pdf 2021-06-14 22:23 1.5M [   ] Workshop 2014 - PS08 - Mader - 2323 - BigAnt Engineering and Experimental Results (Large Format Antenna for High Quality Geodetic Ground Stations).pdf 2021-06-14 22:23 2.7M [   ] Workshop 2014 - PS08 - Maggert - 2120 - IGS Central Bureau Site Log Manager Tool.pdf 2021-06-14 22:23 2.8M [   ] Workshop 2014 - PS08 - Romero - 2108 - Providing the GPS Navigation Bits (NBS) for LEO GNSS occultation processing in support of atmospheric measurements and research.pdf 2021-06-14 22:23 2.9M [   ] Workshop 2014 - PS08 - Schaer - 2161 - Availability and Completeness of IGS Tracking Data.pdf 2021-06-14 22:23 313K [   ] Workshop 2014 - PS08 - van Kints - 2109 - ESOC Station Network Status and Progress.pdf 2021-06-14 22:23 2.5M [   ] Workshop 2014 - PS09 - Fernandes - 2180 - On the robustness of the estimation of secular motions.pdf 2021-06-14 22:23 1.2M [   ] Workshop 2014 - PS09 - GAMBIS - 2311 - Contribution of GPS technique to Earth Orientation Monitoring.pdf 2021-06-14 22:23 1.2M [   ] Workshop 2014 - PS09 - Hernandez-Pajares - 2219 - UPC-IonSAT activities on precise GNSS positioning.pdf 2021-06-14 22:23 1.4M [   ] Workshop 2014 - PS09 - Kang - 2092 - GPS-Based Real-Time Relative Orbit Determination for LEO Satellites.pdf 2021-06-14 22:23 501K [   ] Workshop 2014 - PS09 - Kenyeres - 2145 - Global Reference Frame Densification Based on the Integration of Regional and National Active GNSS Network Products.pdf 2021-06-14 22:23 3.5M [   ] Workshop 2014 - PS09 - Martinez-Benjamin - 2312 - The Baleares 2013 Calibration Campaign of Jason-2 and Saral Altimeters.pdf 2021-06-14 22:23 159K [   ] Workshop 2014 - PS09 - Sanchez - 2305 - Improved modelling for the SIRGAS reference frame computation.pdf 2021-06-14 22:23 716K [   ] Workshop 2014 - PS10 - Sosnica - 2159 - GNSS orbit validation using SLR and the combined GNSS+SLR solutions at CODE.pdf 2021-06-14 22:23 3.1M [   ] Workshop 2014 - PS10 - Springer - 2163 - GNSS Satellite Orbit Modeling at ESOC.pdf 2021-06-14 22:23 2.1M [   ] Workshop 2014 - PS11 - Byram - 2236 - Multi-GNSS Based Processing at the USNO.pdf 2021-06-14 22:23 660K [   ] Workshop 2014 - PS11 - Cui - 2355 - Multi-GNSS Activities at the BACC iGMAS Analysis Center.pdf 2021-06-14 22:23 560K [   ] Workshop 2014 - PS11 - Deng - 2226 - Precise orbit determination of Beidou Satellites at GFZ.pdf 2021-06-14 22:23 774K [   ] Workshop 2014 - PS11 - Langley - 2138 - ASSESSING THE PRELIMINARY PERFORMANCE IMPACT OF INCLUDING GALILEO OBSERVABLES INTO A PRECISE POINT POSITIONING PROCESSING SCHEME.pdf 2021-06-14 22:23 1.9M [   ] Workshop 2014 - PS11 - Prange - 2155 - The CODE solution for the IGS MGEX.pdf 2021-06-14 22:23 1.0M [   ] Workshop 2014 - PS11 - Schoenemann - 2313 - GNSS Analysis in a Multi-GNSS, Multi-Signal Environment.pdf 2021-06-14 22:23 1.6M [   ] Workshop 2014 - PS11 - Steigenberger - 2100 - Empirical Correction Model for Galileo Clock Estimates.pdf 2021-06-14 22:23 1.5M [   ] Workshop 2014 - PS11 - Uhlemann - 2132 - Galileo Orbit and Clock Products of the GFZ MGEX-AC.pdf 2021-06-14 22:23 670K [   ] Workshop 2014 - PS11 - Vaclavovic - 2294 - M-GEX data monitoring with G-Nut and Anubis software.pdf 2021-06-14 22:23 415K [   ] Workshop 2014 - PS12 - Agrotis - 2116 - IGS Real Time Service Products.pdf 2021-06-14 22:23 1.5M [   ] Workshop 2014 - PS12 - Agrotis - 2117 - Real Time Multi-GNSS Processing at ESOC.pdf 2021-06-14 22:23 847K [   ] Workshop 2014 - PS12 - Dousa - 2292 - Tropospheric correction model in support of Precise Point Positioning.pdf 2021-06-14 22:23 3.9M [   ] Workshop 2014 - PS12 - Hadas - 2110 - Tropospheric delay constraining in real-time GNSS Precise Point Positioning.pdf 2021-06-14 22:23 4.7M [   ] Workshop 2014 - PS12 - Laurichesse - 2112 - Real time precise GPS constellation and clocks estimation by means of a Kalman filter.pdf 2021-06-14 22:23 861K [   ] Workshop 2014 - PS12 - Laurichesse - 2113 - Satellite Precise Orbit Determination Using Real Time Service products.pdf 2021-06-14 22:23 486K [   ] Workshop 2014 - PS12 - Michael - 2139 - CDDIS Real-Time Developments.pdf 2021-06-14 22:23 3.3M [   ] Workshop 2014 - PS12 - Sturze - 2250 - IGS Real Time Service BKG‘s Experiences in the Day-to-Day Delivery.pdf 2021-06-14 22:23 396K [   ] Workshop 2014 - PS12 - Tobias - 2169 - GMVs contribution to Real Time IGS Service.pdf 2021-06-14 22:23 2.6M [   ] Workshop 2014 - PS13 - Deng - 2227 - IGS Reprocessing activity at GFZ.pdf 2021-06-14 22:23 880K [   ] Workshop 2014 - PS13 - Legrand - 2141 - IAG WG Integration of Dense Velocity Fields in the ITRF Results and Lessons learned.pdf 2021-06-14 22:23 3.0M [   ] Workshop 2014 - PS13 - Selle - 2186 - Spectral analysis of GPS-based station positioning time series from PPP solutions.pdf 2021-06-14 22:23 1.5M [   ] Workshop 2014 - PS14 - Deng - 2228 - Tide Gauge data reprocessing at GFZ.pdf 2021-06-14 22:23 876K [   ] Workshop 2014 - PS14 - Teferle - 2271 - Recent Activities at the King Edward Point Geodetic Observatory, South Georgia, in Support of TIGA Objectives.pdf 2021-06-14 22:23 10M [   ] Workshop 2014 - PY01 - Hugentobler - 2303 - An Exciting and Challenging Future after Twenty Years of Service.pdf 2021-06-14 22:23 2.3M [   ] Workshop 2014 - PY01 - James - 2331 - Welcome from JPL Deputy Director.pdf 2021-06-14 22:24 10M [   ] Workshop 2014 - PY01 - Labrecque - 2332 - NASA Welcome.pdf 2021-06-14 22:24 39K [   ] Workshop 2014 - PY01 - Rizos - 2257 - The IGS A First Class IAG Service.pdf 2021-06-14 22:24 2.5M [   ] Workshop 2014 - PY01 - Springer - 2330 - IGS Current and Future Challenges.pdf 2021-06-14 22:24 739K [   ] Workshop 2014 - PY02 - Buelter - 2370 - The International GNSS Service Development onnce 1991.pdf 2021-06-14 22:24 1.4M [   ] Workshop 2014 - PY02 - Montenbruck - 2171 - Preparing for the Future – The IGS in a Multi-GNSS World.pdf 2021-06-14 22:24 1.0M [   ] Workshop 2014 - PY02 - Mueller - 2308 - The IAG and Planning the IGS.pdf 2021-06-14 22:24 22M [   ] Workshop 2014 - PY02 - Rothacher - 2333 - Science Applications enabled by the IGS GGOS.pdf 2021-06-14 22:24 8.8M [   ] Workshop 2014 - PY03 - Bock - 2304 - Real‐time GNSS for natural hazards Early warning and monitoring systems.pdf 2021-06-14 22:24 5.2M [   ] Workshop 2014 - PY03 - Caissy - 2372 - The IGS Real-Time Service -- A Status Update.pdf 2021-06-14 22:24 3.4M [   ] Workshop 2014 - PY03 - Fritsche - 2197 - GNSS Real-Time Developments at GFZ.pdf 2021-06-14 22:24 766K [   ] Workshop 2014 - PY03 - Hernandez-Pajares - 2334 - Real-time global electron content determination thanks to the RT-IGS global network datastreams.pdf 2021-06-14 22:24 5.3M [   ] Workshop 2014 - PY03 - Pacione - 2277 - Exploitation of IGS Real-Time Products for Tropospheric Monitoring.pdf 2021-06-14 22:24 5.8M [   ] Workshop 2014 - PY03 - Schmitz - 2220 - PPP with Ambiguity Resolution (AR) using RTCM-SSR.pdf 2021-06-14 22:24 237K [   ] Workshop 2014 - PY04 - Altamimi - 2202 - ITRF2013 IGS contribution and early results.pdf 2021-06-14 22:24 3.1M [   ] Workshop 2014 - PY04 - Deng - 2335 - IGS 2nd Reprocessing at GFZ.pdf 2021-06-14 22:24 3.0M [   ] Workshop 2014 - PY04 - Lutz - 2327 - GNSS orbits and ERPs from CODEs repro2 solutions.pdf 2021-06-14 22:24 4.3M [   ] Workshop 2014 - PY04 - Springer - 2221 - ESA Reprocessing Advances in GNSS analysis.pdf 2021-06-14 22:24 823K [   ] Workshop 2014 - PY04 - Sylvain - 2190 - Time Variable Gravity in GRGS REPRO2 solution.pdf 2021-06-14 22:24 751K [   ] Workshop 2014 - PY04 - Weiss - 2336 - Terrestrial Reference Frame from Combined Precise Orbit Determination of GPS, GRACE, and LAGEOS.pdf 2021-06-14 22:24 3.4M [   ] Workshop 2014 - PY05 - Beutler - 2371 - Modeling and estimating the orbits of GNSS Key principles in history and future.pdf 2021-06-14 22:24 3.5M [   ] Workshop 2014 - PY05 - Dach - 2315 - Estimating the geocenter from GNSS data.pdf 2021-06-14 22:24 3.1M [   ] Workshop 2014 - PY05 - Weiss - 2337 - Orbit and Attitude Modeling at the JPL Analysis Center.pdf 2021-06-14 22:24 4.8M [   ] Workshop 2014 - PY06 - Blume - 2328 - Stability of GNSS Monumentation Analysis of Co-Located Monuments in the UNAVCO Plate Boundary Observatory.pdf 2021-06-14 22:24 34M [   ] Workshop 2014 - PY06 - MacLeod - 2317 - RINEX Working Group Report.pdf 2021-06-14 22:24 3.8M [   ] Workshop 2014 - PY06 - Mader - 2210 - Experimental Results from “BigAnt”, a Large Format Antenna for High Quality Geodetic Ground Stations.pdf 2021-06-14 22:24 10M [   ] Workshop 2014 - PY06 - Noll - 2217 - IGS Data Centers Status and Progress.pdf 2021-06-14 22:24 791K [   ] Workshop 2014 - PY06 - Rodriguez Perez - 2318 - Calibrating GNSS Satellite Antenna Group-Delay Variations using space and ground receivers.pdf 2021-06-14 22:24 1.4M [   ] Workshop 2014 - PY06 - Romero - 2373 - IGS Infrastructure Status.pdf 2021-06-14 22:24 5.8M [   ] Workshop 2014 - PY07 - Deng - 2225 - Orbit and Clock Determination – BeiDou.pdf 2021-06-14 22:24 2.8M [   ] Workshop 2014 - PY07 - Montenbruck - 2172 - IGS-MGEX Introduction.pdf 2021-06-14 22:24 571K [   ] Workshop 2014 - PY07 - Montenbruck - 2260 - IGS-MGEX Multi-GNSS Biases.pdf 2021-06-14 22:24 455K [   ] Workshop 2014 - PY07 - Prange - 2329 - Orbit and Clock Determination - Galileo.pdf 2021-06-14 22:24 1.0M [   ] Workshop 2014 - PY07 - Rulke - 2241 - MGEX network and observation data.pdf 2021-06-14 22:24 2.2M [   ] Workshop 2014 - PY07 - Steigenberger - 2176 - Orbit and Clock Determination – QZSS.pdf 2021-06-14 22:24 1.7M [   ] Workshop 2014 - PY08 - Krankowski - 2268 - Current and future IGS Iono WG activities, new IGS iono product – monitoring of TEC fluctuations.pdf 2021-06-14 22:25 10M [   ] Workshop 2014 - PY08 - Montenbruck - 2174 - Differential Code Bias Estimation for New Signals and Constellations.pdf 2021-06-14 22:25 1.0M [   ] Workshop 2014 - PY08 - Nava - 2270 - The NeQuick model characteristics and uses.pdf 2021-06-14 22:25 3.8M [   ] Workshop 2014 - PY08 - Pi - 2324 - Using GNSS Tracking Networks to Map Global Ionospehric Irregularities and Scintillation.pdf 2021-06-14 22:25 2.9M [   ] Workshop 2014 - PY08 - Rothkaehl - 2338 - The multi instrument radio diagnostics as a new tool for improved the GNSS services.pdf 2021-06-14 22:25 12M [   ] Workshop 2014 - PY08 - Schaer - 2339 - Biases Relevant to GPS and GLONASS Data Processing.pdf 2021-06-14 22:25 3.0M [   ] Workshop 2014 - PY08 - Simons - 2342 - From the earthquake cycle to mantle structure – current and future uses of dense GPS.pdf 2021-06-14 22:25 34M [   ] Workshop 2014 - PY08 - Wang - 2340 - Global Water Vapor Trend and its Diurnal Asymmetry during 1995-2011 Based on GPS, Radiosonde and Microwave Satellite Measurements.pdf 2021-06-14 22:25 16M [   ] Workshop 2014 - PY09 - Blewitt - 2341 - Detecting topological dark matter with GNSS.pdf 2021-06-14 22:25 500K [   ] Workshop 2014 - PY09 - Dousa - 2291 - Development towards inter-technique tropospheric parameter comparisons and their exploitation.pdf 2021-06-14 22:25 3.8M [   ] Workshop 2014 - PY09 - Guerova - 2200 - COST Action ES1206 Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC).pdf 2021-06-14 22:25 8.5M [   ] Workshop 2014 - PY09 - Hackman - 2265 - PY09a Introduction.pdf 2021-06-14 22:25 417K [   ] Workshop 2014 - PY10 - Argus - 2295 - Application of GPS Vertical Positioning to Seasonal Water Variations in California and Postglacial Rebound in Antarctica.pdf 2021-06-14 22:25 5.6M [   ] Workshop 2014 - PY10 - Dach - 2314 - Impact of temporal gravity field parameters determined from GNSS satellites on the GNSS-derived Earth rotation parameters.pdf 2021-06-14 22:25 2.6M [   ] Workshop 2014 - PY10 - Geng - 2279 - Ambiguity resolution in precise point positioning (PPP) benefits and challenges from multi-constellation and multi-frequency GNSS signals.pdf 2021-06-14 22:25 15M [   ] Workshop 2014 - PY10 - Pearlman - 2302 - Space Geodesy Core Sites and Role of GNSS.pdf 2021-06-14 22:25 14M [   ] Workshop 2014 - PY10 - Sośnica - 2314 - Impact of temporal gravity field parameters determined from GNSS satellites on the GNSS-derived Earth rotation parameters.pdf 2021-06-14 22:25 2.6M [   ] Workshop 2014 - PY10 - Tjoelker - 2276 - GNSS Clocks Challenges and Developments.pdf 2021-06-14 22:25 1.8M [   ] Workshop 2014 - PY11 - Hugentobler - recommendations.pdf 2021-06-14 22:25 102K