@article{ref1,
title="The Theories of Instinct: A Study in the History of Psychology",
journal="Journal of abnormal and social psychology",
year="1926",
author="Van Ness Dearborn, George",
volume="21",
number="2",
pages="219-220",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0096-851X",
doi="10.1037/h0066068",
url="http://dx.doi.org/10.1037/h0066068"
}