@article{ref1,
title="Mental health aspects of modern street traffic",
journal="Psychiatrie, Neurologie und Medizinische Psychologie. Beihefte.",
year="1967",
author="Muller-Hegemann, D.",
volume="7",
number="",
pages="121-127",
abstract="Abstract unavailable.",
language="",
issn="0555-5469",
doi="",
url="http://dx.doi.org/"
}