@article{ref1,
title="Manual materials handling: a survey of risks, and the selection and training of workers in Singapore",
journal="Ergonomics",
year="1987",
author="Tang, T. K.",
volume="30",
number="2",
pages="299-304",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}