@misc{indiciae131c478e8b3b,
  title = {6-K Helium adsorption cryocooler},
  author = {Johnson, D. L. and Sirbi, A. and Lindensmith, C. A. and Elliott, S. C.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20060032147},
  note = {Source identifier: 20060032147}
}