TY  - BOOK
AU  - Maguire, David J.,
AU  - Goodchild,Michael F.
AU  - Rhind, David W.
TI  - Geographical information systems: Principles and applications 
SN  - 0582056616
AV  - G70.2 G465
PY  - 1991///
CY  - Harlow, essex, england
PB  - Longman Scientific & Technical
KW  - Sistemas de información geográfica
N1  - Contenido: v. 1. principles -- v. 2. applications
ER  -