@article{ref1,
title="The geotechnical design of the Townline Road-Rail Tunnel: discussion",
journal="Canadian geotechnical journal",
year="1971",
author="Quigley, R. M.",
volume="8",
number="4",
pages="609-610",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-3674",
doi="10.1139/t71-067",
url="http://dx.doi.org/10.1139/t71-067"
}