00346nam a2200145Ia 4500003000400000005001700004008004000021040000700061041001200068082001600080100001800096245003100114260004700145300000800192OSt20220531110822.0210210b1967   xxu||||| |||| 00| 0 eng d  cAL  aEnglish  a621.47 HALC  aHALACY (D S).  aComing age of solar energy  aDelhi.bSterling Publishers Pvt Ltd.c1967  a241