00346nam a2200157Ia 4500008004100000020000900041035001000050082001300060100001600073245003300089250000800122260003500130300000800165500000900173650000600182210723s9999||||xx |||||||||||||| ||und||  aNULL  a28792  a541BHIL  aHill, J. W. 0aChemistry For Changing Times  a3rd  aN. DelhibSurjeet Publications  a396  a5212  a-