00982nam0-22003251i-450-99000050242040332120080111143724.00-12-745350-4000050242FED01000050242(Aleph)000050242FED0100005024220020821d1978----km-y0itay50------baenga-------001yy<<The >>optics of nonimaging concentratorslight and solar energyW. T. Welford, R. WinstonNew York ; LondonAcademic Press1978200 p.ill.23 cmAccumulatori solari621.471Welford,Walter Thompson62883Winston,Roland310202ITUNINARICAUNIMARCBK99000050242040332110 B III 162/ACNR L/17DINEL10 B III 162/BL/19DINELDINELOptics of nonimaging concentrators329901UNINA