TY  - BOOK
AU  - Wadsworth, Richard
ED  - Treweek, Jo
TI  - Geographical information systems for ecology : an introduction
SN  - 0582246520
U1  - 574.50285 
PY  - 1999///
CY  - London
PB  - Addison-Wesley Longman
KW  - Geographical information  systems--Ecology
KW  - GIS(Information  systems)--Ecology
KW  - Information storage and retrieval systems--Ecology
ER  -