@article{ref1,
title="Methodological lessons drawn from a vehicle-mile survey",
journal="Accident analysis and prevention",
year="1969",
author="Foldvary, LA",
volume="1",
number="3",
pages="223-244",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0001-4575",
doi="",
url="http://dx.doi.org/"
}