@article{ref1,
title="List of recommended symbols for soil mechanics",
journal="Canadian geotechnical journal",
year="1963",
author="",
volume="1",
number="1",
pages="52-54",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-3674",
doi="10.1139/t63-006",
url="http://dx.doi.org/10.1139/t63-006"
}