@article{ref1,
title="Living in a Walking World: Rural Mobility and Social Equity Issues in Sub-Saharan Africa",
journal="World development",
year="2002",
author="Porter, Guy",
volume="30",
number="2",
pages="285-300",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0305-750X",
doi="10.1016/S0305-750X(01)00106-1",
url="http://dx.doi.org/10.1016/S0305-750X(01)00106-1"
}