@misc{indiciaecbd7926826e0,
  title = {MCDIT 21 - A computer code for one-dimensional elastic wave problems},
  author = {Hoburg, J. F. and Mortimer, R. W.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690013618},
  note = {Source identifier: 19690013618}
}