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3Topology Symposium Siegen 1979 [electronic resource] : Proceedings of a Symposium Held at the University of Siegen, June 14–19, 1979 / Topology Symposium Siegen 1979 [electronic resource] : Proceedings of a Symposium Held at the University of Siegen, June 14–19, 1979 /by Koschorke, Ulrich. editor., Neumann, Walter D. editor., SpringerLink (Online service)
Published 1980Texto bibliotecaCOLPOS -
4Topology Symposium Siegen 1979 [electronic resource] : Proceedings of a Symposium Held at the University of Siegen, June 14–19, 1979 / Topology Symposium Siegen 1979 [electronic resource] : Proceedings of a Symposium Held at the University of Siegen, June 14–19, 1979 /by Koschorke, Ulrich. editor., Neumann, Walter D. editor., SpringerLink (Online service)
Published 1980Texto bibliotecaCOLPOS