@article{ref1,
title="Classroom ecology and safety",
journal="Journal of school health",
year="1972",
author="Gordon, J. and Saratsiotis, J. B. and Berzon, D. R. and Bennett, F.",
volume="42",
number="3",
pages="178-181",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4391",
doi="",
url="http://dx.doi.org/"
}