@unpublished{Breen-1980,
  author     = {Breen, J. Gavan},
  title      = {Bularnu phonology and grammar: preliminary},
  type       = {manuscript},
  year       = {1980},
  olac_field = {semantics; general_linguistics; syntax; typology; morphology},
  wals_code  = {bnu}
}