@misc{indiciaeae4dea08beed,
  title = {Development and processing of pyronne polymers},
  author = {Karre, L. E. and Keller, L. B. and Miller, L. J.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690017070},
  note = {Source identifier: 19690017070}
}