@article{ref1,
title="Growth Curves and Railway Traffic",
journal="Journal of the American Statistical Association",
year="1923",
author="Peabody, LE",
volume="19",
number="",
pages="476-483",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0162-1459",
doi="",
url="http://dx.doi.org/"
}