@article{ref1,
title="Chapter vii: under what conditions and to what extent canals can compete with railroads in the future",
journal="Annals of the American Academy of Political and Social Science",
year="1893",
author="",
volume="4",
number="5 suppl",
pages="73-89",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-7162",
doi="10.1177/000271629300400508",
url="http://dx.doi.org/10.1177/000271629300400508"
}