TY  - BOOK
AU  - 
AU  - 
AU  - 
TI  - Geographical information systems, volume 2: applications 
SN  - 0582056616
PY  - 1991///
CY  - Harlow, Eng.
PB  - Longman
KW  - Geographic information systems
N1  - Includes bibliographical references and index; Recommended text : SL212
ER  -