TY  - BOOK
AU  - Worboys Michael
AU  -  Duckham Matt
TI  - GIS:  Computing perspective   
SN  - 0415283752
U1  - U:(D6,9(B), N5;P4 
PY  - 2004///
CY  - Boca Raton 
PB  - C R C Press      
KW  - Geography
N1  - Bibliography: P 391-411; Appendix: P 383-89
ER  -