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Dec 1, 2009 at 19:33 answer added Hal Sadofsky timeline score: 20
Nov 18, 2009 at 13:23 answer added Mark Hovey timeline score: 14
Nov 18, 2009 at 11:44 answer added Greg Stevenson timeline score: 6
Nov 18, 2009 at 5:32 answer added S. Carnahan timeline score: 5
Nov 18, 2009 at 3:56 comment added Charles Rezk If I can add a question to this one: are they any famous examples of errors which result from mishandling the signs in the Puppe sequence?
Nov 18, 2009 at 3:49 answer added Mariano Suárez-Álvarez timeline score: 9
Nov 18, 2009 at 2:17 history asked Eric Wofsey CC BY-SA 2.5