@misc{indiciae4766ffed1fb5,
  title = {Iterative solution of perturbation equations},
  author = {Chan, Y. M. and Harriss, D. K. and Hirschfelder, J. O.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19700020345},
  note = {Source identifier: 19700020345}
}