@article{ref1,
title="Safety and early childhood education",
journal="Journal of school health",
year="1971",
author="Punke, H. H.",
volume="41",
number="3",
pages="146-153",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4391",
doi="",
url="http://dx.doi.org/"
}