TY  - BOOK
AU  - Trivedy, R.K.
AU  - Goel, P.K.
AU  - Trisal, C.L.
TI  - Practical methods in ecology and environmental science
T2  - Series in methodology
U1  - 574.5 
PY  - 1987///
CY  - Karad
PB  - Environmental
KW  - Ecology
ER  -