@misc{indiciae070027bc5f05,
  title = {Polymeric Schiff bases. I.},
  author = {Crivello, J. V. and Dalelio, G. F. and Huemmer, T. F. and Schoenig, R. K.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680046542},
  note = {Source identifier: 19680046542}
}