@Book{1616923091,
author="Keppler, Erhard",
title="unruhige Erde: Erdbeben, Vulkane, Meteoriten, St{\"u}rme, Klima",
year="1998",
publisher="Rasch und R{\"o}hring",
address="Hamburg",
contents="Literaturverz. S. 269 - 270",
note="Erhard Keppler",
isbn="3891366442",
language="German"
}