@misc{indiciae56aac333389b,
  title = {Infusible silazane polymer and process for producing same},
  author = {Burks, R. E., Jr. and Lacey, R. E. and Christy, C. L., Jr.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19790013019},
  note = {Source identifier: 19790013019}
}