TY  - BOOK
AU  - Trivedi, P. R., ed.
AU  - Raj, Gurdeep, ed.
TI  - Environmental ecology
T2  - Encyclopaedia of environmental Sciences - 6
SN  - 8171582435
U1  - 363.7 
PY  - 1992///
CY  - New Delhi
PB  - Akashdeep Pub.
ER  -