@misc{Carlson-1990,
  author     = {Carlson, Robert Joel},
  school     = {University of Oregon},
  title      = {A Grammar of Supyire, Kampwo Dialect},
  year       = {1990},
  iso_code   = {spp},
  olac_field = {typology; syntax; general_linguistics; semantics},
  wals_code  = {sup}
}