@Article{         rationals,
  Author        = "Gibbons, Jeremy and Lester, David and Bird, Richard",
  Abstract      = "We present a series of programs for enumerating the rational numbers without duplication, drawing on some elegant results of Neil Calkin, Herbert Wilf and Moshe Newman.",
  date-added    = "2017-03-15 17:50:02 +0000",
  date-modified = "2017-03-15 17:50:02 +0000",
  Journal       = "Journal of Functional Programming",
  Number        = "4",
  Title         = "Enumerating the Rationals",
  URL           = "http://www.comlab.ox.ac.uk/oucl/work/jeremy.gibbons/publications/rationals.pdf",
  Volume        = "16",
  Year          = "2006",
  bdsk-url-1    = "http://www.comlab.ox.ac.uk/oucl/work/jeremy.gibbons/publications/rationals.pdf",
  File          = "rationals (0) - a - a - p.pdf"
}

@Article{ rationals, Author = "Gibbons, Jeremy and Lester, David and Bird, Richard", Abstract = "We present a series of programs for enumerating the rational numbers without duplication, drawing on some elegant results of Neil Calkin, Herbert Wilf and Moshe Newman.", date-added = "2017-03-15 17:50:02 +0000", date-modified = "2017-03-15 17:50:02 +0000", Journal = "Journal of Functional Programming", Number = "4", Title = "Enumerating the Rationals", URL = "http://www.comlab.ox.ac.uk/oucl/work/jeremy.gibbons/publications/rationals.pdf", Volume = "16", Year = "2006", bdsk-url-1 = "http://www.comlab.ox.ac.uk/oucl/work/jeremy.gibbons/publications/rationals.pdf", File = "rationals (0) - a - a - p.pdf" }