@article{ref1,
title="How Effective Is Classroom Instruction in Safety",
journal="Journal of school health",
year="1958",
author="Laird, DCS",
volume="28",
number="2",
pages="49-58",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0022-4391",
doi="",
url="http://dx.doi.org/"
}