ref.bib

@online{dominik2003-org,
  author = {Carsten Dominik and \href{http://orgmode.org/org.html#History-and-Acknowledgments}{many others}},
  title = {Org mode for {E}macs},
  url = {http://orgmode.org/},
  urldate = {2015-05-01},
  year = 2003
}
@online{gruber2004-markdown,
  author = {John Gruber},
  month = dec,
  title = {Markdown},
  url = {http://daringfireball.net/projects/markdown/},
  urldate = {2015-05-01},
  year = 2004
}