TY  - BOOK
AU  - Twort, A.C.
AU  - Crowley F.W. 
AU  - Ratnayaka, D.D. 
TI  - Water supply
SN  - 0340575875
U1  - 628.1 23
PY  - 1994///
CY  - London
PB  - Edward Anold
KW  - Water-Supply Engineering
N1  - Includes: Index ( p. 504 - 511)
ER  -