00779nam0-22002771i-450-990001318900403321000131890FED01000131890(Aleph)000131890FED0100013189020000920d1990----km-y0itay50------baengConnections, Definite Forms, and Four-ManifoldsTed Petrie, Jhon Randall.OxfordClarendon Press1990.IX, 121 p.24 cm516.35Petrie,Ted52793Randal,JohnITUNINARICAUNIMARCBK990001318900403321C-47-(238067MA1MA1Connections, Definite Forms, and Four-Manifolds337520UNINAING01