TY  - BOOK
AU  - Hynes, H.B. N & Pentelow, F.T. K
TI  - The biology of polluted waters
SN  - 8185375828
U1  - 574.929 HYN 
PY  - 2003///
CY  - Delhi
PB  - Narendra Publishing House
N1  - Includes references & index
ER  -