@article{ref1,
title="Electromyographic activity during observational learning",
journal="American journal of psychology",
year="1970",
author="Berger, S. M. and Irwin, D. S. and Frommer, G. P.",
volume="83",
number="1",
pages="86-94",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9556",
doi="",
url="http://dx.doi.org/"
}