00321nam a2200133Ia 4500008004100000020001800041041000800059082000800067100001300075245004000088250001000128260004100138300000800179211209s2000    xx            000 0 und d  a81-7409-073-8  aeng  aRAI  aRAI, G D  aNON-CONVENTIONAL SOURCES OF ENERGY   a4 ed.  aNEW DELHIbKHANNA PUBLICATIONSc2000  a912