Reference for “SMIL Animation”

@TechReport{Schmitz:01:SA,
  author      = "Patrick Schmitz and Aaron Cohen",
  title       = "{SMIL} Animation",
  month       = sep,
  note        = "http://www.w3.org/TR/2001/REC-smil-animation-20010904",
  year        = "2001",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Recommendation",
  institution = "W3C",
}