@book{Jakovleva-1963,
  address    = {Moskva},
  author     = {Jakovleva, V. K.},
  publisher  = {Nauka},
  title      = {Jazyk joruba},
  year       = {1963},
  iso_code   = {yor},
  olac_field = {morphology; general_linguistics; typology; syntax; semantics},
  wals_code  = {yor}
}