@article{ref1,
title="Patterns of mobility of working poor",
journal="Transportation engineering journal of the American Society of Civil Engineers",
year="1974",
author="Saltzmann, A and Kidder, AE",
volume="100",
number="TE3",
pages="769-780",
abstract="This study examines the transportation problems faced by low-income residents in Greensboro, North Carolina.  <p>Language: en</p>  <p></p>",
language="en",
issn="0569-7891",
doi="",
url="http://dx.doi.org/"
}