@misc{indiciae9102462878b1,
  title = {Slush Hydrogen Fluid Characterization and Instrumentation},
  author = {Ludtke, P. R. and Sindt, C. F.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700022349},
  note = {Source identifier: 19700022349}
}