00390nam a2200133Ia 4500008004100000082001800041100001900059245003900078260003700117300000800154650004100162650003400203653001900237170901s1996    xx            000 0 und d  a631.371bS48S  aSinghal, O. P. 0aNon-Conventional Sources of Energy  aAllahabadbSaroj Prakashanc1996  a277  aAgriculture and related technologies  aTechnology (Applied sciences)  aEnergy sources