TY  - GEN
AU  - Hayward, Geoff 
TI  - Applied ecology
SN  - 017448187X
U1  - 577.27 
PY  - 1992///
CY  - Walton
PB  - Thomas Nelson and sons
KW  - Biology
KW  - Effects of humans on ecology
KW  - Specific factors affecting ecology
KW  - Ecology
ER  -