@article{ref1,
title="Determination of human tolerance to negative impact acceleration. Naec-acel-510",
journal="Report No. NAEC-ACEL-. United States. Aerospace Crew Equipment Laboratory, Philadelphia",
year="1963",
author="Schulman, Michael and Critz, G. T. and Highly, F. M. and Hendler, E.",
volume="94",
number="",
pages="1-33",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}