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}
}