@article{ref1,
title="Travel in adverse winter weather conditions by blind pedestrians: effect of cane tip design on travel on snow",
journal="Journal of visual impairment and blindness",
year="2016",
author="Kim, Dae Shik and Emerson, Robert Wall and Gaves, Eleni",
volume="110",
number="1",
pages="53-58",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0145-482X",
doi="",
url="http://dx.doi.org/"
}