TY  - BOOK
AU  - Vallentine, H. R.
TI  - Water in the service of man
U1  - 553.7 
PY  - 1961///
CY  - New York,London etc
PB  - Penguin Books Ltd.
KW  - Developing countries
KW  - Water-supply engineering
KW  - Hydraulics
KW  - Solar energy
ER  -