Reference for “Element Traversal Specification”

@TechReport{Schepers:08:ETS,
  author      = "Doug Schepers",
  title       = "Element Traversal Specification",
  month       = mar,
  note        = "http://www.w3.org/TR/2008/WD-ElementTraversal-20080303/",
  year        = "2008",
  bibsource   = "http://webcapita.com/w3c-bibliography/2008/WD-ElementTraversal-20080303/",
  type        = "Last Call {WD}",
  institution = "W3C",
}