@article{ref1,
title="Deaths associated with Hurricane Hugo--Puerto Rico",
journal="MMWR: Morbidity and mortality weekly report",
year="1989",
author="Centers for Disease Control and Prevention, USA, ",
volume="38",
number="39",
pages="680-682",
abstract="Abstract unavailable.",
language="en",
issn="0149-2195",
doi="",
url="http://dx.doi.org/"
}