@misc{indiciae834660b60992,
  title = {IEA/SPS 500 kW distributed collector system},
  author = {Neumann, T. W. and Hartman, C. D.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800016298},
  note = {Source identifier: 19800016298}
}