00331nam a2200121Ia 45000030006000000080041000060400015000471000037000622450059000992600022001585460012001800050017001920STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBenjamin Baumslay; Chadler Bruce  aSchuams outline of theory and problems of group theory  bMcgraw hillc1963  aEnglish20220125165924.0