TY  - BOOK
AU  - Maguire, David & others
TI  - Geographical information systems : principles and applications. Vol.1 : principles. 
SN  - 0582056616
U1  - 621.3678 
PY  - 1994///
CY  - London
PB  - Longman
KW  -  
KW  - Social change
KW  - Geography -- Data processing
KW  - Information storage and retrieval systems
KW  - Ge�ographie -- Informatique
KW  - Syste`mes d'information
KW  - information retrieval services
KW  - information storage
KW  - National socialism
KW  - Political science
KW  - Germany
KW  - Liberty
ER  -