Twidell, John Tony Weir creator text London Routledge 2015 monographic xxxi, 784 p. : ill. (col.) ; 26 cm. Includes index. Renewable energy sources Electrical enginering Engineering Sustainability - Green design Renewable energy Solar radiation Solar water Wind power Biomass resources Bioenergy technologies Geothermal energy Heat transfer Economic factor NCUK 621.042 TWI 9780415584388 (pbk) 9780415584388