Evans, Bethwyn2015-12-1308588348711448-8310b21669454http://hdl.handle.net/1885/72242354 pagesapplication/pdfen-AUAuthor/s retain copyrightCC BY-SA 4.0https://creativecommons.org/licenses/by/4.0/A study of valency-changing devices in Proto Oceanic200310.15144/PL-5392015-12-11Released under Creative Commons License (Attribution 4.0 International)