By Hansen V.L.   in Topology and its Applications

ISSN:0166-8641|125|1|63-72

Elsevier‎(2002)‎

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By Hansen V.L.   Willis J.A.   in Icarus

ISSN:0019-1035|123|2|296-312

Academic Press‎(1996)‎

Access to resources Favorite 14.508642

By Hansen V.L.   Willis J.J.   in Icarus

ISSN:0019-1035|132|2|321-343

Academic Press‎(1998)‎

Access to resources Favorite 12.34278