@misc{indiciaec038c1515044,
  title = {Evaluation of Multiple Methods for Calculating Gray Equivalent},
  author = {Robert C Singleterry Jr. and Martha Clowdsley and Edward Semones and Tony Slaba and Steve Blattnig},
  year = {2022},
  url = {https://ntrs.nasa.gov/citations/20220006594},
  note = {Source identifier: 20220006594}
}