%0 Journal Article
%T Undertow, rip tide or "rip current"
%J Science
%D 1936
%A Shepard, F. P.
%V 84
%N 2173
%P 181-182
%X <p>[Abstract unavailable]  Keywords: Drowning; Drowning Prevention; Water Safety </p> <p>Language: en</p>
%G en
%I American Association for the Advancement of Science
%@ 0036-8075
%U http://dx.doi.org/10.1126/science.84.2173.181