@article{ref1,
title="Safety of playgrounds in The Netherlands",
journal="International journal for consumer safety",
year="1994",
author="Beugels, L",
volume="1",
number="4",
pages="231-238",
abstract="Abstract unavailable.<p />",
language="",
issn="0929-8347",
doi="",
url="http://dx.doi.org/"
}