@misc{indiciaeb6100f5cd77b,
  title = {Hierarchical Poly Tree computer architectures defined by computational multidisciplinary mechanics},
  author = {Padovan, Joe and Gute, Doug and Johnson, Keith},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890062729},
  note = {Source identifier: 19890062729}
}