@article{ref1,
title=""higher" and "lower" needs",
journal="Journal of psychology, The",
year="1948",
author="Maslow, A. H.",
volume="25",
number="2",
pages="433-436",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3980",
doi="10.1080/00223980.1948.9917386",
url="http://dx.doi.org/10.1080/00223980.1948.9917386"
}