Water supply /
Fernando, Vijita.
Water supply / Vijita Fernando. - London : Intermediate technology Publications, 1996 - vi, 72 p. : ill. ; 25 cm.
Includes bibliographical references ( p. 71-72)
1853393444
Water- supply
553.7
Water supply / Vijita Fernando. - London : Intermediate technology Publications, 1996 - vi, 72 p. : ill. ; 25 cm.
Includes bibliographical references ( p. 71-72)
1853393444
Water- supply
553.7