TY  - BOOK
AU  - Vallentine, H. R.
TI  - WATER IN THE SERVICE OF MAN
U1  - 553.7 
PY  - 1967///
CY  - Baltimore
PB  - Penguin Books
KW  - Water-Supply Engineering
KW  - Hydraulics
N1  - Bibliography : P. 220-221
ER  -