@misc{indiciae4bc51ded4200,
  title = {An experiment with interactive planning models},
  author = {Beville, J. and Wagner, J. H. and Zannetos, Z. S.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19730005259},
  note = {Source identifier: 19730005259}
}