@article{ref1,
title="Transoceanic mortality: the slave trade in comparative perspective",
journal="William and Mary quarterly, The",
year="2001",
author="Klein, H. S. and Engerman, S. L. and Haines, R. and Shlomowitz, R.",
volume="58",
number="1",
pages="93-117",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0043-5597",
doi="",
url="http://dx.doi.org/"
}