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two ellipses meeting in a quadruple point

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Image created by Michael Larsen and released under GFDL.

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• (del) (cur) 03:16, 2 August 2003 . . en:User:Michael_Larsen Michael Larsen ( en:User_talk:Michael_Larsen Talk) . . 400x400 (2823 bytes) (two ellipses meeting in a quadruple point)