@misc{indiciae86063a89cb14,
  title = {Spherical solid-propellant rocket motor Patent},
  author = {Styles, C. M. and Swain, R. L. and Thibodaux, J. G., Jr.},
  year = {1961},
  url = {https://ntrs.nasa.gov/citations/19700024020},
  note = {Source identifier: 19700024020}
}