@misc{indiciaea508ef82c7e0,
  title = {Inertial Upper Stage (IUS) software analysis},
  author = {Grayson, W. L. and Nickel, C. E. and Rose, P. L. and Singh, R. P.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790017936},
  note = {Source identifier: 19790017936}
}