00273nam a2200109Ia 4500008004100000082001300041100000900054245003500063250001200098260004400110300000900154240913s9999||||xx |||||||||||||| ||und||  a540  DIC  aNULL 0aOxford Dictionary of Chemistry  a4th Ed.  bOxford University PressaNewDelhic2000  a586p