@misc{indiciaeb004b62d4ea2,
  title = {Experience in feeding coal into a liquefaction process development unit},
  author = {Akhtar, S. and Friedman, S. and Mazzocco, N. J. and Yavorsky, P. M.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780005299},
  note = {Source identifier: 19780005299}
}