@article{ref1,
title="The Effect of Verbal Suggestion upon Perseverance",
journal="Psychol Clin",
year="1928",
author="Sherman, Irene Case",
volume="17",
number="6-7",
pages="210-213",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}