@misc{indiciaeade797aa3322,
  title = {Navigation/traffic control satellite mission study. Volume 2 - Systems analyses},
  author = {Craigie, J. H. and Dobieski, A. W. and Mitchler, L. J. and Raymond, H. G. and Schultz, P. R.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690020626},
  note = {Source identifier: 19690020626}
}