TY  - BOOK
AU  - MAGUIRE,DAVID J
AU  - GOODCHILD,MICAEL F
AU  - RHIND,DAVID W.
TI  - GEOGRAPHICAL INFORMATION SYSTEM: PRINCIPLES APPLICATIONS / 
U1  - 910.285 
PY  - 1991///
CY  - [S.N] : 
PB  - JOHN WILEY AND SONS. INC ، 
KW  - INFORMATION SYSTEMS
KW  - GEOPHYSICS
ER  -