VOLUNTEERED GEOGRAPHIC INFORMATION, VGI (GEOGRAPHIC INFORMATION SYSTEM)
-
BTTHEMATIC CARTOGRAPHY + TOPICAL CARTOGRAPHY
-
UDC528.94,5
-
Descriptor GERVOLUNTEERED GEOGRAPHIC INFORMATION, VGI (GEOGRAPHIC INFORMATION SYSTEM)
-
Descriptor ENGVOLUNTEERED GEOGRAPHIC INFORMATION, VGI (GEOGRAPHIC INFORMATION SYSTEM)
-
Descriptor FREVOLUNTEERED GEOGRAPHIC INFORMATION, VGI (GEOGRAPHIC INFORMATION SYSTEM)
-
Variant GERVGI, VOLUNTEERED GEOGRAPHIC INFORMATION (GEOGRAPHIC INFORMATION SYSTEM)
-
Variant ENGVGI, VOLUNTEERED GEOGRAPHIC INFORMATION (GEOGRAPHIC INFORMATION SYSTEM)
-
Variant FREVGI, VOLUNTEERED GEOGRAPHIC INFORMATION (GEOGRAPHIC INFORMATION SYSTEM)