@article{ref1,
title="Case report: Two deaths due to asphyxiation in a manhole and analysis of the manhole gases",
journal="Journal (Canadian Society of Forensic Science)",
year="1991",
author="Wigmore, J. G. and McAuley, F.",
volume="24",
number="1",
pages="1-4",
abstract="Analysis of the gases in a manhole where two young boys died of asphyxiation determined that the concentration of oxygen was 4.8% v/v. This concentration is below the minimum of 6% v/v required to maintain human life.<p />",
language="en",
issn="0008-5030",
doi="10.1080/00085030.1991.10756978",
url="http://dx.doi.org/10.1080/00085030.1991.10756978"
}