@article{ref1,
title="Target uncertainty and visual scanning strategies",
journal="Human factors",
year="1979",
author="Megaw, E. D. and Richardson, Julie",
volume="21",
number="3",
pages="303-315",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0018-7208",
doi="",
url="http://dx.doi.org/"
}