@article{ref1,
title="Quality of calibration factors in gas chromatographic determination of ethanol",
journal="Blutalkohol",
year="1974",
author="Kreutzer, PH",
volume="11",
number="6",
pages="409-412",
abstract="<p>[Abstract unavailable]</p>",
language="de",
issn="0006-5250",
doi="",
url="http://dx.doi.org/"
}