TY  - GEN
AU  - Trivedy, R. K.
AU  - Goel, P. K. 
AU  - Trisal, C. L. 
TI  - Practical methods in ecology and environmental science / 
U1  - 333.7 TRI G 22nd ed. 
PY  - 1998///
CY  - Karad
PB  - Enviro Media Publications
KW  - Ecology
KW  - Environmental science
ER  -