TY  - BOOK
AU  - Birdie,G.S.
AU  - Birdie,Birdie
TI  - Water supply and sanitary engineering ,
SN  - 818630827X
U1  - 628 21
PY  - 1992///.[Reprinted 1993]
CY  - Delhi
PB  - Danpat Rai & Sons
KW  - Sanitary engineering
KW  - Water- supply
N1  - Includes index
ER  -