@misc{indiciaee156ee1231bf,
  title = {Midcourse and terminal guidance operations programs},
  author = {Davids, L. H. and Meredith, C. M. and Ribarich, J. J.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680066030},
  note = {Source identifier: 19680066030}
}