@misc{indiciae03e0280ed860,
  title = {A cryogenic helium II system for Spacelab},
  author = {Urban, E. W. and Katz, L. and Hendricks, J. B. and Karr, G. R.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790046999},
  note = {Source identifier: 19790046999}
}