@article{ref1,
title="An evaluation of "talking signs" for the blind",
journal="Human factors",
year="1983",
author="Brabyn, John A. and Brabyn, L. A.",
volume="25",
number="1",
pages="49-53",
abstract="Abstract unavailable.",
language="",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}