TY  - BOOK
AU  - Heywood,Ian
AU  - Cornelius, Sarah,
AU  - Carver, Steven,
TI  - An introduction to geographical information systems
SN  - 0131293176(pbk) :
U1  - 910.285 
PY  - 2006///
CY  - Harlow, England, New York
PB  - Pearson/Prentice Hall
KW  - Geographic information systems
N1  - Prev. ed. : 2002; Includes bibl. references and index
ER  -