@article{ref1,
title="Acceleration problems in space flight",
journal="NADC-MA-. United States. Naval Air Development Center, Johnsville, Pa. Aviation Medical Acceleration Laboratory",
year="1959",
author="Hardy, J. D. and Clark, C. C. and Gray, R. F.",
volume="NADC-MA",
number="5909",
pages="1-34",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}