@unpublished{Harvey-1990,
  author     = {Harvey, Mark},
  school     = {University of Sydney},
  title      = {A sketch grammar of Gamu},
  type       = {manuscript},
  year       = {1990},
  iso_code   = {xmu},
  olac_field = {semantics; syntax; general_linguistics; typology},
  wals_code  = {kmw}
}