@misc{indiciae02bac67c45fe,
  title = {Improved inorganic ion exchange membranes},
  author = {Arrance, F. C. and Berger, C. and Kelmers, A. D.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690000440},
  note = {Source identifier: 19690000440}
}