%0 Journal Article
%T Ultradian rhythms in extended performance
%J Aerospace medicine
%D 1974
%A Orr, W. C.
%A Hoffman, H. J.
%A Hegge, F. W.
%V 45
%N 9
%P 995-1000
%X <p>[Abstract unavailable]</p><p>Language: en</p>
%G en
%I Aerospace Medical Association
%@ 0001-9402
%U http://dx.doi.org/