%0 Journal Article
%T TDM trends in the United States
%J IATSS research
%D 1998
%A Orski, CK
%V 22
%N 1
%P 25-32
%X <p>[Abstract unavailable]</p>
%G 
%I Elsevier Publishing
%@ 0386-1112
%U http://dx.doi.org/