@misc{indiciaef94fe64f0343,
  title = {Copolyimide with a combination of flexibilizing groups},
  author = {Stclair, Terry L. and Burks, Harold D. and Progar, Donald J.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900007634},
  note = {Source identifier: 19900007634}
}