@article{ref1,
title="Homosexuality as a genetic problem",
journal="Acta geneticae medicae et gemellologiae",
year="1960",
author="Lang, Thierry",
volume="9",
number="",
pages="370-381",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0001-5660",
doi="",
url="http://dx.doi.org/"
}