@misc{indiciaee0831b50c90e,
  title = {A model for the description and evaluation of technical problem solving.},
  author = {Allen, T. J. and Frischmuth, D. S.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690060031},
  note = {Source identifier: 19690060031}
}