TY  - BOOK
AU  - GOLDSMITH,BARRIE
TI  - MONITORING FOR CONSERVATION AND ECOLOGY / 
U1  - 574.5 
PY  - 1994///
CY  - [S.N] : 
PB  - CHAPMAN AND HALL MEDICAL ، 
KW  - ECOLOGY
KW  - POLLUTION
KW  - BIOLOGICAL CONTRALE
ER  -