@misc{indiciae8034c24a05ce,
  title = {FABRICATING A 3.5-INCH FERRITE SPHERE},
  author = {Fracis, J. B. and Stromer, P. R.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630020636},
  note = {Source identifier: 19630020636}
}