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Ron Alward
6 cilt bulundu.
Cilt sonuçları
Micro-hydro power
Ron Alward · National Center for Appropriate Technology
43 sayfa · 1979
Hydroelectric power plants / Water-power / Water-wheels
Low-cost passive solar greenhouses
Ron Alward · National Center for Appropriate Technology
173 sayfa · 1980
Design and construction / Greenhouses / Solar greenhouses
Wind, an annotated bibliography
Ron Alward · National Center for Appropriate Technology
Sayfa sayısı yok · 1979
Bibliography / Wind power
Micro-hydro power : reviewing an old concept
Ron Alward · National Center for Appropriate Technology
60 sayfa · 1979
Hydroelectric power plants / Water-power / Water-wheels
Low-Cost Passive Solar Greenhouses
Ron Alward, Andy Shapiro · Scribner
Sayfa sayısı yok · 1982
Greenhouse Horticulture / Design and construction / Handbooks, manuals, etc / Passive systems / Solar energy