de Vries, Lourens. 1989. Studies in Wambon and Kombai: Aspects of Two Papuan Languages of Irian Jaya. (Doctoral dissertation, University of Amsterdam).
@phdthesis{nicholsdiversity-devries1989, author = {de Vries, Lourens}, school = {University of Amsterdam}, title = {Studies in Wambon and Kombai: Aspects of Two Papuan Languages of Irian Jaya}, type = {Ph.D. dissertation}, year = {1989} }