@misc{indiciaec1beea30878e,
  title = {The compatible conversion system},
  author = {Hoffman, F. and Kothe, J. and Mandy, J. and Mc Vay, L. and Winningkoff, K. and Yeager, E.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690000031},
  note = {Source identifier: 19690000031}
}