@misc{indiciaeb1f13b1bca00,
  title = {High precision cryogenic thermal conductivity standards},
  author = {Hust, J. G. and Powell, R. L. and Weitzel, D. H.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700000298},
  note = {Source identifier: 19700000298}
}