A linguistic field guide to the Morobe Province , Papua New Guinea
by K. A. McElhanon
(Pacific linguistics, Series D ; no. 57)
Deperment of Linguistics, Research School of Pacific Studies, Australian National University, 1984
ikkatu
Bibliography: p. 66-67
1 map in pocket
Dept. of Linguistics, Research School of Pacific Studies, Australian National University : Linguistic circle of Canberra