@article{ref1,
title="Visually coordinated behavior",
journal="Physical therapy",
year="1972",
author="Hein, A.",
volume="52",
number="9",
pages="926-934",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-9023",
doi="",
url="http://dx.doi.org/"
}