%0 Journal Article
%T A simple classification of the present and future stages of manned flight
%J Journal of aviation medicine
%D 1956
%A Strughold, H.
%V 27
%N 4
%P 328-331
%X <p>[Abstract unavailable]</p> <p>Language: en</p>
%G en
%I Aero Medical Association of the United States
%@ 0095-991X
%U http://dx.doi.org/