@article{ref1,
title="A psychophysiological profile of taxi drivers in Singapore",
journal="Journal of human ergology",
year="1986",
author="Koh, David and Ong, C. N. and Phoon, W. O.",
volume="15",
number="2",
pages="147-154",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0300-8134",
doi="",
url="http://dx.doi.org/"
}