@misc{indiciae7191ac8e8936,
  title = {System modeling and structure optimization using hybrid computer techniques},
  author = {Beck, C. H. and Drake, R. L. and Kuo, M. H.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700039336},
  note = {Source identifier: 19700039336}
}