%0 Journal Article
%T A "critical" tracking task for man-machine research related to the operator's effective delay time. I. Theory and experiments with a first-order divergent controlled element. NASA CR-616
%J NASA contractor report. NASA CR.
%D 1966
%A Jex, H. R.
%A McDonnell, J. D.
%A Phatak, A. V.
%V ePub
%N ePub
%P 1-105
%X <p>[Abstract unavailable]</p><p>Language: en</p>
%G en
%I US National Aeronautics And Space Administration
%@ 0565-7059
%U http://dx.doi.org/