@misc{indiciaebbf219b2e662,
  title = {Testing flat plate photovoltaic modules for terrestrial environment},
  author = {Hoffman, A. R. and Arnett, J. C. and Ross, R. G., Jr.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800062618},
  note = {Source identifier: 19800062618}
}