TY  - BOOK
AU  - Sankara Pitchaiah, P.
AU  - 
AU  - 
TI  - Water, ecology, pollution, and management VOL 2
U1  - 628.168 
PY  - 1991///
CY  - Allahabad, India
PB  - Chugh Publications
KW  - Water-supply
KW  - Water quality
N1  - Contributed articles on Andhra Pradesh, India
ER  -