TY  - BOOK
AU  - Trivedi,P.R.
AU  - Raj,Gurdeep
TI  - Environmental biology
PY  - 1991///
CY  - India
PB  - Akashdeep Pub. House
KW  - Ecology
KW  - c1991
KW  - India
KW  - paperback
KW  - sears
KW  - Environmental science
ER  -