@misc{indiciae21376b42d181,
  title = {Mineral investigations in northeastern Thailand},
  author = {Herbert S. Jacobson and C. T. Pierson and Thawisak Danusawad and Thawat Japakasetr and Boonmai Inthuputi and Charlie Siriratanamongkol and Saner Prapassornkul and Narin Pholphan},
  year = {1969},
  doi = {10.3133/pp618},
  url = {https://pubs.usgs.gov/publication/pp618},
  note = {Source identifier: pp618}
}