@article{ref1,
title="Danger in cave diving",
journal="Versicherungsmedizin",
year="1990",
author="Nowak, R. and Frey, G.",
volume="42",
number="5",
pages="151-153",
abstract="A diving accident fatal for two divers, that occurred in the Blautopf-cave near Ulm, FRG, is reported. The circumstances fundamental in precipitating the fatal outcome are discussed. As a consequence accident- or life insurance coverage has become one of the prerequisites to obtain the official permit to dive in this cave.<p /> <p>Language: de</p>",
language="de",
issn="0933-4548",
doi="",
url="http://dx.doi.org/"
}