@misc{indiciaef606a20e02ea,
  title = {Optimized solar module design},
  author = {Santala, T. and Sabol, R. and Carbajal, B. G.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790056992},
  note = {Source identifier: 19790056992}
}