00356nam a2200145Ia 4500008004100000020001500041082001300056100001300069245004100082250000800123260002900131300001200160500002400172650001400196230524s9999    xx            000 0 und d  a8121903599  a540bDAR  aS.S.Dara 2aA Text Book of Engineering Chemistry  a1ST  aNEW DELHIbS.Chandc2004  aXVI;762  aQuantity Number:  8  aChemistry