00330nam a2200133Ia 4500008004100000082001500041100003200056245002300088250001600111260003700127300000800164942000700172999001700179200917s9999||||xx |||||||||||||| ||und||  a242bGAH/G  aGahamari, Mandhata Singh .  0aGeeta and Science.  a1st Edition  aBiharbGyan-Vigyan, Baksarc1977  a373  cBK  c24190d24190