The morphology of Wambon of the Irian Jaya Upper-Digul area : with an introduction to its phonology / Lourens de Vries, Robinia de Vries-Wiersma

The morphology of Wambon of the Irian Jaya Upper-Digul area : with an introduction to its phonology / Lourens de Vries, Robinia de Vries-Wiersma