TY  - GEN
AU  - Fraenkel, Peter 
AU  - Bokalders, Varis
AU  - Barlow, Roy 
AU  - Crick, Frances 
AU  - Derrick, Anthony 
TI  - Windpumps : a guide for development workers 
SN  - 1853391263
U1  - 621.21 
PY  - 1993///
CY  - London
PB  - IT Publications
KW  - Applied physics
KW  - Water mills
KW  - Hydraulic - Power Technology
ER  -