@article{ref1,
title="Locating Emergency Vehicle Bases When Service Time Depends on Call Location",
journal="Transportation science",
year="1991",
author="Goldberg, Jack and Paz, L",
volume="25",
number="4",
pages="264-280",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0041-1655",
doi="",
url="http://dx.doi.org/"
}