TY  - GEN
AU  - Fraenkel, Peter 
TI  - Water-pumping devices : a handbook for users and choosers 
SN  - 0946688850
U1  - 621.252 
PY  - 1986///
CY  - London
PB  - Intermediate technology publications
KW  - Applied physics
KW  - Pumps
KW  - Hydraulic-power technology
ER  -