@misc{indiciae20182db1b12e,
  title = {Optimal computing forms for the two-body C and S series},
  author = {Herron, C. R. and Lancaster, E. R. and Trebilcock, W. R.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680019935},
  note = {Source identifier: 19680019935}
}