@misc{indiciaebe3b0cc4f369,
  title = {Manned Mission Photovoltaic Power System Study. Volume I - Program Summary Final Engineering Report, Apr. 20, 1966 - Jan. 20, 1967},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670023193},
  note = {Source identifier: 19670023193}
}