1. The origins of yam cultivation;Alexander,1969
2. Starch residues on pounding implements from Jinmium rock-shelter;Atchison,1998
3. Prehistoric agricultural systems in the Wahgi valley—a further note;Allen;Mankind,1970
4. Starch grain damage as an indicator of food processing;del,2003
5. Use of stone and shell artefacts at Balof 2, New Ireland, Papua New Guinea;Barton;Asian Perspectives,1993