%0 Journal Article
%T Experiments on visual acuity and the visibility of markings on the ground in long-duration earth-orbital space flight. NASA CR-1134
%J NASA contractor report. NASA CR.
%D 1968
%A Duntley, S. Q.
%A Austin, R. W.
%A Harris, J. L.
%A Taylor, J. H.
%V ePub
%N ePub
%P 1-227
%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/