@article{ref1,
title="A classification on human factor accident/incident of China civil aviation in recent twelve years",
journal="Space medicine and medical engineering",
year="2004",
author="Luo, Xiao-li",
volume="17",
number="5",
pages="318-321",
abstract="Abstract unavailable.",
language="",
issn="1002-0837",
doi="",
url="http://dx.doi.org/"
}