@misc{indiciae6bd1efa46b87,
  title = {A new method of analysis of sampled-data control systems.},
  author = {Boland, J. S., III and Phillips, C. L. and Vallely, D. P.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670047687},
  note = {Source identifier: 19670047687}
}