@article{ref1,
title="The mechanical cornpicker",
journal="IMJ Illinois medical journal",
year="1981",
author="Nachlas, N. and Schlenker, J. D.",
volume="159",
number="6",
pages="371-374",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0019-2120",
doi="",
url="http://dx.doi.org/"
}