@misc{indiciaef7c912fe49d0,
  title = {Additional studies of quasi-optimum feedback control techniques},
  author = {Friedland, B. and Ling, C. K. and Schilder, M. and Thau, F. E. and Welt, S.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680018835},
  note = {Source identifier: 19680018835}
}