Reference for “EMMA: Extensible MultiModal Annotation markup language”

@TechReport{Johnston:07:EEM,
  author      = "Michael Johnston",
  title       = "{EMMA}: Extensible MultiModal Annotation markup language",
  month       = dec,
  note        = "http://www.w3.org/TR/2007/CR-emma-20071211/",
  year        = "2007",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "Candidate Recommendation",
  institution = "W3C",
}