Reference for “SSML 1.0 say-as attribute values”

@TechReport{Baggia:05:S,
  author      = "Paolo Baggia and An Buyle and Ellen Eide and Luc Van Tichelen and Daniel C. Burnett and Jim Barnett",
  title       = "{SSML} 1.0 say-as attribute values",
  month       = may,
  note        = "http://www.w3.org/TR/2005/NOTE-ssml-sayas-20050526",
  year        = "2005",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Note",
  institution = "W3C",
}