@misc{indiciae44ec91ee0059,
  title = {Subroutines GEORGE and DRASTC simplify operation of automatic digital plotter},
  author = {Englel, F., III and Gray, W. H. and Richard, P. J.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670000222},
  note = {Source identifier: 19670000222}
}