@article{ref1,
title="Studies in Perseveration: I. A Survey of Researches in Perseveration",
journal="Journal of psychology, The",
year="1937",
author="Kendig, I. and Shevach, B. J.",
volume="3",
number="1",
pages="223-230",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3980",
doi="10.1080/00223980.1937.9917492",
url="http://dx.doi.org/10.1080/00223980.1937.9917492"
}