TY  - BOOK
AU  - BHARAT SINGH;GUPTA D.L
TI  - ELEMENTS OF WATER SUPPLY AND SANITARY ENGINEERING
U1  - 628 
PY  - 1980///
CY  - LUDHIANA
PB  - KATSON  PUBLICATION
KW  - "Environmental engineering,Sanitary and Muncipal Engg,Impact assessment"
ER  -