TY  - BOOK
AU  - Agrawal, K.M.
AU  - Sikdar, P. K.
AU  - Deb, S. C.
TI  - A Textbook of Environment
SN  - 0333 937473
U1  - 574.5 
PY  - 2002///
CY  - Kolkata
PB  - Macmillan
KW  - Biological Science
KW  - Environment
ER  -