Citation(s) from the GunPolicy.org literature library
Alpers, Philip. 2005 ‘Gun Amnesties.’ Gun-running in Papua New Guinea: From arrows to assault weapons in the Southern Highlands; Special Report No. 5, pp. 115-116. Geneva: Small Arms Survey, the Graduate Institute of International and Development Studies, Geneva. 1 July
"When guns are surrendered to the police, the gesture is largely symbolic, with tribal groups surrendering only a portion of their armoury and typically only those weapons that are not powerful."
-- Charles Yala, economist, Australian National University.