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Continue to ChatOn canal surfaces in E 3 - https://avesis.uludag.edu.tr/yayin/619b4886-dc7c-4bdb-940f-1024eafdcbd4/on-canal-surfaces-in-e-3
On canal surfaces in E 3 - https://avesis.uludag.edu.tr/yayin/619b4886-dc7c-4bdb-940f-1024eafdcbd4/on-canal-surfaces-in-e-3