TY  - BOOK
AU  - Rangwala,S.C.
AU  - Rangwala,K.S.
AU  - Rangwala,P.S.
TI  - Water supply and sanitary engineering: environmental engineering 
U1  - 628 22
PY  - 1999///
CY  - India
PB  - Charotar publishing
KW  - Environmental engineering
N1  - Includes bibliographical references and Index
ER  -