%0 Journal Article
%T Oregon study of advisory letters: The effectiveness of warning letters in driver in driver improvement
%J Traffic safety research review
%D 1967
%A Syring, EM
%A Warmoth, EJ
%A Kaestner, N
%V 11
%N 3
%P 67-72
%X <p>[Abstract unavailable]</p>
%G 
%I U.S. National Safety Council
%@ 0564-0741
%U http://dx.doi.org/