TY  - BOOK
AU  - K.C.Agrawal, 
TI  - Environmental biology / 
SN  - 81-87167-17-3
U1  - 577 
PY  - 1999///
CY  - Bikaner
PB  - Agro Botanica
KW  - Ecology
KW  - Biology
KW  - Life sciences
N1  - Includes index
ER  -