00680nam0-22002531i-450-990001210840403321000121084FED01000121084(Aleph)000121084FED0100012108420000920d1968----km-y0itay50------baengReports of the Midwest Category Seminars.l.Springer-Verlag1968.Lecture Notes in MathematicsVol. 61.ITUNINARICAUNIMARCBK99000121084040332116-I-618013MA1MA1Reports of the Midwest Category Seminar343949UNINAING01