@misc{indiciaebfffa450c982,
  title = {EXXON donor solvent coal liquefaction process},
  author = {Epperly, W. R. and Swabb, L. E., Jr. and Tauton, J. W.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790019447},
  note = {Source identifier: 19790019447}
}