00284    a2200109   4500020001500000082001500015100002100030245003100051260004000082300002400122650002800146  a0198551401  a512.2bBIS  aBishop, David M.  aGroup theory and chemistry  aOxfordbClarendon pressc1973g1973  axviii, 294p.c25cm.  aGroups and group theory