@Article{         LawvereFW:eletcs,
  Author        = "Lawvere, Bill",
  date-added    = "2012-09-20 09:46:48 +0200",
  date-modified = "2012-09-20 10:07:49 +0200",
  Journal       = "Proceedings of the National Academy of Sciences of the United States of America",
  Keywords      = "category theory and readme",
  Pages         = "1506--1511",
  Title         = "An Elementary Theory of the Category of Sets",
  Volume        = "52",
  Year          = "1964",
  file-2        = "An Elementary Theory of the Category of Sets - Lawvere (0) (0) - a - a - m.ps",
  file-3        = "An Elementary Theory of the Category of Sets - Lawvere (0) (0) - a - a - m.dvi"
}

@Article{ LawvereFW:eletcs, Author = "Lawvere, Bill", date-added = "2012-09-20 09:46:48 +0200", date-modified = "2012-09-20 10:07:49 +0200", Journal = "Proceedings of the National Academy of Sciences of the United States of America", Keywords = "category theory and readme", Pages = "1506--1511", Title = "An Elementary Theory of the Category of Sets", Volume = "52", Year = "1964", file-2 = "An Elementary Theory of the Category of Sets - Lawvere (0) (0) - a - a - m.ps", file-3 = "An Elementary Theory of the Category of Sets - Lawvere (0) (0) - a - a - m.dvi" }