@misc{indiciae2ea996ccdfbb,
  title = {An algorithm for automatic reduction of complex signal flow graphs},
  author = {Young, K. R. and Hoberock, L. L. and Thompson, J. G.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19770036525},
  note = {Source identifier: 19770036525}
}