%0 Journal Article
%T A Portable Photometer for the Testing of Reflective Road Signs
%J Journal of scientific instruments
%D 1954
%A Giovanelli, RG
%V 31
%N 4
%P 126-128
%X [Abstract unavailable]  <p>Language: en</p>
%G en
%I Institute of Physics and the Physical Society
%@ 0950-7671
%U http://dx.doi.org/