Phonologies of three languages of Papua New Guinea / 
[Alan Healey, editor]. 
 - Ukarumpa :  Summer Institute of Linguistics,  1973. 
 - 108p. 
 - Workpapers in Papua New Guinea languages ; 2  v.2. .
<br/><br/>Contents : Biangai phonemes/Raymond and Marjorie Dubert-- Nii phonology /Al and Dellene Stucky-- Yessan-Mayo phonemes/Velma Foreman and Helen Marten. 
<br/><br/><label>ISBN: </label>0726302171 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biangai language--Phonology.<br/>Yessan-Mayo language--Phonology.<br/>Nii language--Phonology.