@article{ref1,
title="Tracking Changes in Jack London's Representation of the Railroad Tramp",
journal="Journal of American culture (1978)",
year="2007",
author="Photinos, Christine",
volume="30",
number="2",
pages="175-186",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0191-1813",
doi="10.1111/j.1542-734X.2007.00507.x",
url="http://dx.doi.org/10.1111/j.1542-734X.2007.00507.x"
}