@article{ref1,
title="Systematic observation of crisis center telephone interactions",
journal="Life threatening behavior",
year="1974",
author="Ashton, P. T. and Heaton, M. E. and Powell, E. R.",
volume="4",
number="4",
pages="224-239",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0047-4592",
doi="",
url="http://dx.doi.org/"
}