TY  - BOOK
AU  - Longley, Paul.
TI  - Geographical information systems
SN  - 0471321826 (set)
U1  - 910.285  22
PY  - 1999///
CY  - New York
PB  - Wiley
KW  - Geographic information systems
KW  - Information storage and retrieval systems
KW  -  Geography
KW  - Geography
KW  -  Data processing
KW  - Systáemes d'information gâeographique
N1  - Includes bibliographical references and indexes; v. 1. Principles and technical issues -- v. 2. Management issues and applications
ER  -