@TECHREPORT{hightower2003locstack,
  author    = "Jeffrey Hightower and Dieter Fox and Gaetano Borriello",
  title     = "The Location Stack",
  institution = "University of Washington, Department of Computer Science and Engineering",
  type      = {UW CSE},
  number    = "03-07-01",
  month     = "July",
  address   = "Seattle, WA",
  year      = {2003}
}