TY  - BOOK
AU  - TRIVEDY.R.K,GOEL.P.K.
TI  - PrACTICAL METHODS IN ECOLOGY AND ENVIRONMENTAL SCIENCE
U1  - 577 TRI 
PY  - 1987///
CY  - INDIA
PB  - ENVIRO MEDIA PUBLICATIONS
KW  - ECOLOGY
ER  -