@article{ref1,
title="Optic flow and the visual guidance of locomotion in the cat",
journal="International review of neurobiology",
year="2000",
author="Sherk, H. and Fowler, G. A.",
volume="44",
number="",
pages="141-170",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0074-7742",
doi="",
url="http://dx.doi.org/"
}