@book{Nikiforova-1981,
  address    = {Moskva},
  author     = {Nikiforova, L. A.},
  publisher  = {Nauka},
  title      = {Jazyk volof},
  year       = {1981},
  iso_code   = {wol},
  olac_field = {typology; general_linguistics; syntax; semantics},
  wals_code  = {wlf}
}