@misc{indiciaeaf54ed940349,
  title = {Control systems},
  author = {Chen, C. I. and Cruz, J. B., Jr. and Dans, G. and Davis, J. and Hecht, R. and Heller, J. E. and Jamshidi, M. and Kokotovic, P. and Medanic, J. and Perkins, W. R. and Rice, M. and Singh, G.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700008234},
  note = {Source identifier: 19700008234}
}