Talk:Double groupoid

Definition
This definition is rather a motivation.Stephan Spahn (talk) 12:34, 16 May 2011 (UTC)

External links modified
Hello fellow Wikipedians,

I have just modified 3 external links on Double groupoid. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://archive.is/20120723235509/http://www.bangor.ac.uk/r.brown/hdaweb2.htm to http://www.bangor.ac.uk/r.brown/hdaweb2.htm
 * Added tag to http://www.bangor.ac.uk/r.brown/groupoidsurvey.pdf
 * Added archive http://arquivo.pt/wayback/20160514115224/http://www.bangor.ac.uk/r.brown/topgpds.html to http://www.bangor.ac.uk/r.brown/topgpds.html
 * Added archive https://archive.is/20120723235509/http://www.bangor.ac.uk/r.brown/hdaweb2.htm to http://www.bangor.ac.uk/r.brown/hdaweb2.htm
 * Added tag to http://www.cup.cam.ac.uk/catalogue/catalogue.asp?isbn=9780521803090

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Cheers.— InternetArchiveBot  (Report bug) 07:51, 13 September 2017 (UTC)