@misc{indiciae76a5282eba17,
  title = {Water resources of the Yap Islands},
  author = {Otto Van der Brug},
  year = {1984},
  doi = {10.3133/ofr82357},
  url = {https://pubs.usgs.gov/publication/ofr82357},
  note = {Source identifier: ofr82357}
}