@phdthesis{vandenberg2014,
  author = {van den Berg, Esther},
  school = {VU University Amsterdam},
  title  = {Linguistic Sketch of Hatohobeian and Sonsorolese: A Study of Phonology and Morphology},
  url    = {https://www.friendsoftobi.org/wordweek/vandenberglinguisticsketch2014.pdf},
  year   = {2014}
}