@misc{indiciae4eaba5a3d0eb,
  title = {Cost effective flat plate photovoltaic modules using light trapping},
  author = {Bain, C. N. and Gordon, B. A. and Knasel, T. M. and Malinowski, R. L.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810015083},
  note = {Source identifier: 19810015083}
}