@misc{indiciae9d20e7afb9d9,
  title = {Lithium counterdoped silicon solar cell},
  author = {Weinberg, I. and Brandhorst, H. W., Jr.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860023403},
  note = {Source identifier: 19860023403}
}