@misc{indiciae7e418f2683e7,
  title = {Methyl substituted polyimides containing carbonyl and ether connecting groups},
  author = {Hergenrother, Paul M. and Havens, Stephen J.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920023771},
  note = {Source identifier: 19920023771}
}