00421nam a2200157Ia 4500008004100000082001700041100001600058245002900074260004000103300000800143650001400151650002000165653002900185653003100214700001800245170901s1987    xx            000 0 und d  a333.79bD38H  aDhar, T. N. 0aHimalayan Energy Systems  aNainitalbGyanodaya Prakashanc1987  a318  aEconomics  aSocial sciences  aHimalayan energy systems  aRenewable energy resources  aSharma, P. N.