@misc{indiciae9edff23467e1,
  title = {Solar-Powered Supply Is Light and Reliable},
  author = {Willis, A. E. and Garrett, H. and Matheney, J.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19810000015},
  note = {Source identifier: 19810000015}
}