@misc{indiciaecef632ae565d,
  title = {Further periodic solutions of the three-dimensional restricted problem. II.},
  author = {Jefferys, W. H. and Standish, E. M., Jr.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720050778},
  note = {Source identifier: 19720050778}
}