@misc{indiciae1832bcc9836d,
  title = {Polyimides with carbonyl and ether connecting groups between the aromatic rings},
  author = {Hergenrother, Paul M. and Havens, Stephen J.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920023764},
  note = {Source identifier: 19920023764}
}