@article{ref1,
title="Voluntary muscular contraction with reference to agricultural tasks",
journal="Indian journal of medical research",
year="1981",
author="Nag, P. K. and Chatterjee, S. K.",
volume="74",
number="",
pages="111-119",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0971-5916",
doi="",
url="http://dx.doi.org/"
}