TY  - BOOK
AU  - AGARWAL,K.M.
AU  - SIKDAR, P. K.
AU  - DEB, S. C.
TI  - A Textbook of Environmental
SN  -  0333 937473
U1  - 333.7 
PY  - 2002///
CY  - kolkata
PB  - MacMilan
KW  - Environmental
N1  - including index
ER  -