@misc{indiciae8360c192cff8,
  title = {Mineral investigations in northeastern Thailand},
  author = {Herbert Samuel Jacobson and C. T. Pierson and Thawisak Danusawad and Thawar Japakasetr and Boonmai Inthuputi and Charlie Siriratanamongkol and Saner Prapassornkul and Narin Pholphan},
  year = {1967},
  doi = {10.3133/ofr67121},
  url = {https://pubs.usgs.gov/publication/ofr67121},
  note = {Source identifier: ofr67121}
}