00349nam a2200133Ia 4500008004100000082001600041100001400057245003700071250000800108260005000116300001100166500002400177650001400201230524s9999    xx            000 0 und d  a658.43bGUP  aR.B.Gupta 0aMaterial Science and Engineering  a4TH  aNEW DELHIbSatya Prakashan (Tech India)c2009  aXX;159  aQuantity Number:  1  aChemistry