@article{ref1,
title="Language usage and social maturity as related to suicide notes",
journal="Journal of social psychology",
year="1966",
author="Tuckman, J. and Ziegler, R.",
volume="68",
number="1",
pages="139-142",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4545",
doi="",
url="http://dx.doi.org/"
}