@article{ref1,
title="Physiological and technical considerations on bioinstrumentation of aircraft and spacecraft",
journal="Elektro Medizin; Biomedizin und Technik",
year="1964",
author="von Diringshofen, H. and Osypka, P.",
volume="80",
number="",
pages="73-87",
abstract="Abstract unavailable.",
language="",
issn="",
doi="",
url="http://dx.doi.org/"
}