@misc{indiciae607959cbfe2d,
  title = {THERMAL RADIATION ABSORPTION IN RECTANGULAR-GROOVE CAVITIES},
  author = {Jonsson, V. K. and Sparrow, E. M.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630026176},
  note = {Source identifier: 19630026176}
}