TY  - GEN
AU  - Longley, Paul A
AU  - Goodchild, Michael F.
AU  - Maguire, David J.
AU  - Rhind, David W.
TI  - Geographical information systems vol. 1 : : principles and  technical issues
SN  - 0471331325
PY  - 1999///
CY  - New York
PB  - John Wiley
KW  - GEOGRAPHICAL INFORMATION SYSTEMS
KW  - GEOGRAPHICAL INFORMATION SYSTEMS-Principles
KW  - GIS
N1  - Glossaries, Author & Subject index included
ER  -