Conrad and Dye | 1975 | Conrad, Robert J. and Dye, T. Wayne. 1975. Some language relationships in the Upper Sepik region of Papua New Guinea. In Holzknecht, K. G. and Phillips, D. J. (eds.), Papers in New Guinea Linguistics 18, 1-35. Canberra: Research School of Pacific and Asian Studies, Australian National University. | 1480 |