%0 Journal Article
%T Trifocals to meet occupational visual demands; a case report
%J American journal of optometry and archives of American Academy of Optometry
%D 1947
%A Springer, D. A.
%V 24
%N 7
%P 321-325
%X <p>[Abstract unavailable]</p><p>Language: en</p>
%G en
%I American Journal of Optometry Publishing Association
%@ 0002-9408
%U http://dx.doi.org/