Micro-Hydro power: a guide for development workers/
Fraenkel, Peter
Micro-Hydro power: a guide for development workers/ - London Intermediate technology publications in association with the Stockholm 1991 - x, 150p. : ill. ;
1853390291
TK1081 / .M58 1991
Micro-Hydro power: a guide for development workers/ - London Intermediate technology publications in association with the Stockholm 1991 - x, 150p. : ill. ;
1853390291
TK1081 / .M58 1991