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Local experience with micro-hydro technology / Ueli Meier ; with the collab. of Jean-Max Baumer ; photographs B. Antener...[et al.].
- 856.5
- Swiss center for appropriate technology (SKAT) at the Institute for Latin-American research and for development co-operation (ILE), University of St.Gall,
- 1982.
- St.Gall :