@misc{indiciaef05421c861d9,
  title = {Centrifugal Size-Separation Sieve for Granular Materials},
  author = {Walton, Otis and Dreyer, Christopher and Riedel, Edward},
  year = {2015},
  url = {https://ntrs.nasa.gov/citations/20150014982},
  note = {Source identifier: 20150014982}
}