@misc{indiciae9f97387ab042,
  title = {Studies of multivariable manual control systems - Two-axis compensatory systems with separated displays and controls},
  author = {Elkind, J. I. and Levison, W. H.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670030649},
  note = {Source identifier: 19670030649}
}