@misc{indiciae1056dd4e5f93,
  title = {Rapid leak detection with liquid crystals},
  author = {Heisman, R. M. and Iceland, W. F. and Ruppe, E. P.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780000084},
  note = {Source identifier: 19780000084}
}