@book{Ruttenberg-1999,
  address    = {München},
  author     = {Ruttenberg, Piet},
  publisher  = {Lincom Europa},
  title      = {Lexique Yaka-Français, Français-Yaka},
  year       = {1999},
  iso_code   = {yaf},
  olac_field = {syntax; typology; general_linguistics},
  wals_code  = {yak}
}