00497nam a2200169Ia 4500008004100000020000700041040003000048082001600078100001700094245003600111260004600147300001100193650001400204942000700218952008700225999001500312190302s9999||||xx |||||||||||||| ||und||  c35  aKharagpur College Library  a541.2bC247  aCartmell, E.  aValency And Molecular Structure  bThe English Language SocityaLondonc1956  a301 p.  aEconomics  cBK  00104070aMAINbMAINd2016-08-01l0o541.2C247p9755r2016-08-01w2016-08-01yBK  c5603d5603