@article{ref1,
title="The situation in the region of the Hamburg catastrophe and the flood catastrophe of 17 February 1962 from the standpoint of underground engineering",
journal="Munchener Medizinische Wochenschrift",
year="1962",
author="von BOLTENSTERN, ",
volume="104",
number="",
pages="1974-1978",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0027-2973",
doi="",
url="http://dx.doi.org/"
}