Links
SGP – Association of Polish Surveyors
SKP – Association of Polish Cartographers
PTG – Polish Geographical Society
PTIP – Polish Association for Spatial Information
ISPRS – International Society for Photogrammetry and Remote Sensing
ASPRS – American Society for Photogrammetry and Remote Sensing
DPGF – Deutschen Gesellschaft für Photogrammetrie, Fernerkundung und Geoinformation
FIG – International Federation of Surveyors