Text ( visual ) : unmediated Structures and their functions in Usan : a Papuan language of Papua New Guinea / Ger P. Reesink. -- [Amsterdam ; Philadelphia] : J. Benjamins Pub. Co. , 1987. -- xiv, 368 p. : ill., maps ; 24 cm. -- (Studies in language companion series / series editors, Werner Abraham, Michael Noonan ; v. 13). -- Originally presented as the author's thesis (doctoral--University of Amsterdam) ; Includes bibliographies and indexes. -- ISBN 9027230129 ; (BA0143494X) ; https://ci.nii.ac.jp/ncid/BA0143494X Author Heading(s): Reesink, Ger P.. -- Classification(s): LCC : PL6621.U77 ; DC19 : 499/.12. -- Subject Heading(s): LCSH : Usan language -- Grammar