@misc{indiciae419114f75275,
  title = {A special investigation to develop a general method for three-dimensional photoelastic stress analysis},
  author = {Frocht, M M and Guernsey, R , Jr},
  year = {1952},
  url = {https://ntrs.nasa.gov/citations/19930083458},
  note = {Source identifier: 19930083458}
}