Varis Bolkalders – författare
Visar alla böcker från författaren Varis Bolkalders. Handla med fri frakt och snabb leverans.
2 produkter
Micro-hydro Power
A guide for development workers
Av Peter Fraenkel, Oliver Parish m. fl.
Häftad, 1991
308 kr
Lägg i varukorg
Guides the reader systematically through the basic methods of hydrology and site survey and describes how to set up an appropriate scheme, with detailed technical information; also covers the essential economic considerations and maintenance requirements.
Renewable Energy Technologies
Av L.A. Kristoferson, Varis Bolkalders
Häftad, 1991
413 kr
Lägg i varukorg
A detailed survey of the main areas of bio-energy and biomass, solar energy and hydro, wind and water power. The authors address the advantages and disadvantages of renewable energies, their appropriateness, and their socio-economic implications.
