@misc{indiciaebb2628d28658,
  title = {Real-time approximate optimal guidance laws for the advanced launch system},
  author = {Speyer, Jason L. and Feeley, Timothy and Hull, David G.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890066679},
  note = {Source identifier: 19890066679}
}