@article{ref1,
title="Psychological factors in smoking, drinking, and drug experimentation",
journal="Journal of clinical psychology (Hoboken)",
year="1971",
author="Robbins, P. R. and Tanck, R. H. and Meyersburg, H. A.",
volume="27",
number="4",
pages="450-452",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9762",
doi="",
url="http://dx.doi.org/"
}