@Book{PDFRef,
  author =       {{Adobe Systems Incorporated}},
  title =        {{PDF} Reference Version~1.6},
  publisher =    {Adobe Press},
  year =         2004,
  key =          {PDF},
  edition =      {Fifth},
  month =        dec # {~3,},
  note =         {ISBN~\mbox{0321304748}.  Available from \url{http://partners.adobe.com/public/developer/en/pdf/PDFReference16.pdf}}
}

@Unpublished{MediaTypes,
  author =       {{Internet Assigned Numbers Authority}},
  title =        {{MIME} Media Types},
  note =         {Available from \url{http://www.iana.org/assignments/media-types/}},
  key =          {IANA}
}

@TechReport{Freed1996,
  author =       {N. Freed and N. Borenstein},
  title =        {{M}ultipurpose {I}nternet {M}ail {E}xtensions {(MIME)}
                  Part Two: Media Types},
  institution =  {Internet Engineering Task Force (IETF),
                  Network Working Group},
  year =         1996,
  type =         {Request for Comments (RFC)},
  number =       2046,
  month =        nov,
  note =         {Available from
                  \url{http://www.rfc-editor.org/rfc/rfc2046.txt}}
}
