TY  - BOOK
AU  -  Fernando,Vijita
TI  -  Water supply / 
SN  -  1853393444
U1  -  553.7 
PY  - 1996///
CY  -  London : 
PB  -  Intermediate technology Publications, 
KW  -  Water- supply
N1  -  Includes bibliographical references ( p. 71-72)
ER  -