@misc{indiciaebe3dc55470bb,
  title = {Sphere forming method and apparatus},
  author = {Youngberg, C. L. and Miller, C. G. and Stephens, J. B. and Finnerty, A. A.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830026905},
  note = {Source identifier: 19830026905}
}