@misc{indiciae2cf867eeaf5d,
  title = {Advanced solar thermal technologies for the 21st century},
  author = {Kohout, L. L. and Perez-Davis, M. E.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870030905},
  note = {Source identifier: 19870030905}
}