Heuvel, Wilco van den. 2006. Biak, Description of an Austronesian Language of Papua. University of Leiden dissertation.
@phdthesis{sinnemakizeromarking-Heuvel2006,
author = {van den Heuvel, Wilco},
school = {University of Leiden},
series = {LOT publications},
title = {Biak, Description of an Austronesian Language of Papua},
year = {2006}
}