@misc{indiciae0aa35df3e528,
  title = {Structured COBOL programs to retrieve, edit, and list Eastern Gas Shales Project sample data},
  author = {P.J. Hessel and T. S. Dyman and L.A. Wilcox},
  year = {1981},
  doi = {10.3133/ofr81240},
  url = {https://pubs.usgs.gov/publication/ofr81240},
  note = {Source identifier: ofr81240}
}