@book{2018andybartonananalysisofsubjectobjectoppositionandthema,
  title = {An Analysis of Subject/Object Opposition and Thematic Roles in Ainu: Is Grammatical Subject Necessary in Ainu?},
  author = {Andy Barton},
  year = {2018},
  url = {https://hdl.handle.net/2292/37670}
}