@book{Urbina-1989,
  address    = {Dordrecht},
  author     = {Urbina, Ortiz de},
  publisher  = {Foris Publications},
  title      = {Parameters in the Grammar of Basque},
  year       = {1989},
  iso_code   = {eus},
  olac_field = {typology; syntax; morphology; general_linguistics},
  wals_code  = {bsq}
}