00707nam0-22002531i-450-990001163430403321000116343FED01000116343(Aleph)000116343FED0100011634320000920d1980----km-y0itay50------baengTopology Symposium Siegen 1979Berlin [etc.]Springer-Verlag1980Lecture Notes in Mathematics788Edited by U.Koschorke and W.D.NeumannITUNINARICAUNIMARCBK990001163430403321C-20-(78819944MA1MA1Topology symposium, Siegen 197980582UNINAING01