@misc{indiciae4388af9919e2,
  title = {Polycrystalline silicon study: Low-cost silicon refining technology prospects and semiconductor-grade polycrystalline silicon availability through 1988},
  author = {Costogue, E. N. and Ferber, R. and Lutwack, R. and Lorenz, J. H. and Pellin, R.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840025142},
  note = {Source identifier: 19840025142}
}