@misc{indiciae08bf34c10d17,
  title = {Optical observations of unidirectional solidification in microgravity},
  author = {Johnston, M. H. and Owen, R. B. and Shurney, R. E.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830008221},
  note = {Source identifier: 19830008221}
}