@article{ref1,
title="Highway construction",
journal="Science",
year="1971",
author="Randall, W. S.",
volume="173",
number="3995",
pages="380-380",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="10.1126/science.173.3995.380",
url="http://dx.doi.org/10.1126/science.173.3995.380"
}