TY  - BOOK
AU  - Twort, A.C.
AU  - Law, F.M.
AU  - Crowley, F.W
AU  - Ratnayaka, D.D.
TI  - Water supply
SN  - 0340575875
AV  - GB651.W3 
PY  - 1994///
CY  - Great Britain
PB  - Edward Arnold
KW  - Water supply
ER  -