@article{ref1,
title="Full costing of travel",
journal="Journal of transport geography",
year="1997",
author="Black, William R.",
volume="5",
number="1",
pages="37-37",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0966-6923",
doi="10.1016/S0966-6923(96)00053-1",
url="http://dx.doi.org/10.1016/S0966-6923(96)00053-1"
}