@article{ref1,
title="Tractors and children",
journal="Archives Belges de Medecine Sociale, Hygiene, Medecine du Travail et Medecine Legale",
year="1968",
author="Weiser, J.",
volume="26",
number="3",
pages="216-221",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9578",
doi="",
url="http://dx.doi.org/"
}