@misc{indiciae79189baeedc0,
  title = {Planning and managing future space facility projects},
  author = {Sieber, J. E. and Wilhelm, J. A. and Tanner, T. A. and Helmreich, R. L. and Burgenbauch, S. F.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790017743},
  note = {Source identifier: 19790017743}
}