@misc{indiciae37bddd138275,
  title = {ASHMET: A computer code for estimating insolation incident on tilted surfaces},
  author = {Elkin, R. F. and Toelle, R. G.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800019306},
  note = {Source identifier: 19800019306}
}