Nelson, Hank. Mobs and masses : defining the dynamic groups in Papua New Guinea / Hank Nelson. - Canberra : ANU, [2009]. - 33 p. ; 30 cm. - State, Society and Governance in Melanesia discussion paper ; 2009/4 . Bibliography: p. 26-31. ISSN: 13287854 Subjects--Topical Terms: Group identity--Papua New Guinea.