Z'graggen, John A. 1969. Classificatory and typological studies in languages of the Madang district New Guinea. (Doctoral dissertation, Australian National University; x+335pp.)
@phdthesis{hvldZgraggenMadang,
address = {Canberra},
author = {Z'graggen, John A.},
pages = {x+335},
school = {Australian National University},
title = {Classificatory and typological studies in languages of the Madang district New Guinea},
year = {1969}
}