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Water lifting devices : a handbook for users and choosers / Peter Fraenkel and Jeremy Thake.
- 621.252 F799 2006
- Fraenkel, Peter
- Practical Action Publishing,
- 2006.
- Rugby :
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Micro-hydro power : a guide for development workers / Peter Fraenkel, Oliver Paish, Varis Bokalders, Adam Harvey, Andrew Brown and Rod Edwards.
- 621.312134 F799
- Fraenkel, Peter
- Intermediate Technology Publications in association with the Stockholm Environment Institute,
- London :