00296nam a2200121Ia 4500082001700000100002100017245002500038260003600063300002300099490004200122500000500164700000500169  a512bM274.AT  aManes, Ernest G.  aAlgebraic theoriesb  aNew YorkbSpringer-Verlagc1976  a356p. Index. Bibl.  aGraduate texts in Mathematicsv v. 26  a  a