@misc{indiciaef839f6ef346c,
  title = {Sodium heat pipe use in solar Stirling power conversion systems},
  author = {Zimmerman, W. F. and Divakaruni, S. M. and Won, Y. S.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19810034310},
  note = {Source identifier: 19810034310}
}