@article{ref1,
title="The effect of crowding on child health and development",
journal="American behavioral scientist",
year="1975",
author="Booth, A. and Johnson, David Read",
volume="18",
number="6",
pages="736-749",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-7642",
doi="",
url="http://dx.doi.org/"
}