@misc{indiciae35857e959156,
  title = {Solar Sail Optimal Orbit Transfers to Synchronous Orbits},
  author = {Powers, Robert B. and Coverstone, Victoria and Prussing, John E. and Lunney, Bryan C.},
  year = {1999},
  url = {https://ntrs.nasa.gov/citations/20000084166},
  note = {Source identifier: 20000084166}
}