@misc{indiciae212de2d060fb, title = {A ''critical'' tracking task for man-machine research related to the operator's effective delay time. Part I - Theory and experiments with a first-order divergent controlled element}, author = {Jex, H. R. and Mc Donnell, J. D. and Phatak, A. V.}, year = {1966}, url = {https://ntrs.nasa.gov/citations/19660030603}, note = {Source identifier: 19660030603} }