@misc{indiciae710ff79cf545,
  title = {Polyimides containing carbonyl and ether connecting groups - II},
  author = {Hergenrother, P. M. and Havens, S. J.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890057876},
  note = {Source identifier: 19890057876}
}