00753nam0-22002771i-450-990001280310403321000128031FED01000128031(Aleph)000128031FED01000128031--------d--------km-y0itay50------baeng<<A >>concrete approach to abstract algebraW. W. SawyerSan FranciscoFreemanc1959233 p.ill. 19 cmAlgebra512.9Sawyer,Walter Warwick66903ITUNINARICAUNIMARCBK99000128031040332110-E-35554MA1MA100A05Concrete approach to abstract algebra20216UNINA