@article{ref1,
title="Using an overhead projector",
journal="Activities, adaptation and aging",
year="1989",
author="McMurray, J.",
volume="14",
number="1",
pages="101-104",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0192-4788",
doi="10.1300/J016v14n01_18",
url="http://dx.doi.org/10.1300/J016v14n01_18"
}