@book{Berchem-1991,
  address    = {Köln},
  author     = {Berchem, Jörg},
  publisher  = {Omimee},
  title      = {Referenzgrammatik des Somali},
  year       = {1991},
  iso_code   = {som},
  olac_field = {general_linguistics; syntax; semantics; typology},
  wals_code  = {som}
}