@book{Smythe-1948,
  address    = {Sydney},
  author     = {Smythe, W. E.},
  publisher  = {Australian Medical Publishing Company},
  title      = {Elementary grammar of the Gumbainggir language},
  year       = {1948},
  iso_code   = {kgs},
  olac_field = {typology; syntax; general_linguistics},
  wals_code  = {gum}
}