@misc{indiciae1327b71d73da,
  title = {Far-infrared /FIR/ optical black bidirectional reflectance distribution function /BRDF/},
  author = {Smith, S. M.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810052491},
  note = {Source identifier: 19810052491}
}