TY  - GEN
AU  - Wadsworth, Richard
AU  - Treweek, Jo
TI  - GIS for ecology : an introduction
SN  - 0582246520
PY  - 1999///
CY  - Harlow
PB  - Addison Wesley Longman
KW  - GIS: GEOGRAPHICAL INFORMATION SYSTEMS-Environmental applications
KW  - ECOLOGY
ER  -