Orthography and phonology database : Islands and Momase regions / compiled by Ritva Hemmila. - Ukarumpa, Papua New Guinea : Summer Institute of Linguistics, 1998. - iv, 182 p. ; 20 cm. - Data papers on Papua New Guinea languages ; v. 43 . Workpapers in Papua New Guinea languages. ISBN: 9980017570 Subjects--Topical Terms: Papuan languages--Papua New Guinea.