TY  - BOOK
AU  - Sankara Pitchaiah,P.
TI  - Water ecology pollution and management
SN  - 8185076
U1  - 628.168 
PY  - 1991///
CY  - Allahabad
PB  - Chugh Pub.
KW  - Water
KW  - Pollution
KW  - Andhra Pradesh
KW  - India
KW  - Water quality management
KW  - Analysis
KW  - Fresh waterechology
ER  -