00245nam a22001097a 4500015000900000041000800009100001300017100001300030245002300043260006100066300000800127  a1312  aENG  cH.L.Hays  aH.L.Hays  aPHYSICAL CHEMISTRY  ageorge G,harrap & co Ltdbgeorge G,harrap & co Ltdc1966  a510