Lean, Glendon A. <br/><br/>
Counting systems of Papua New Guinea, volume 2 :  Manus Province / 
G.A. Lean. 
 - Draft edition. 
 - Lae:  PNG University of Technology,  [1985]. 
 - [10], 68 p. 
<br/><br/> Includes: Bibliography and appendices. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Numeration, Manus.<br/>Numeration, Papua New Guinea.