@misc{indiciae696bd4a35290,
  title = {Composite solid propellant flame microstructure determination Annual report, 23 Jun. 1967 - 22 Jun. 1968},
  author = {Friedman, R. and Hertzberg, M. and Mc Hale, E. T. and Von Elbe, G.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680023968},
  note = {Source identifier: 19680023968}
}