@article{B_ntgen_2016,
title={Cooling and societal change during the Late Antique Little Ice Age from 536 to around 660 AD},
volume={9},
ISSN={1752-0908},
url={http://dx.doi.org/10.1038/ngeo2652},
DOI={10.1038/ngeo2652},
number={3},
journal={Nature Geoscience},
publisher={Springer Science and Business Media LLC},
author={Büntgen,
Ulf and Myglan,
Vladimir S. and Ljungqvist,
Fredrik Charpentier and McCormick,
Michael and Di Cosmo,
Nicola and Sigl,
Michael and Jungclaus,
Johann and Wagner,
Sebastian and Krusic,
Paul J. and Esper,
Jan and Kaplan,
Jed O. and de Vaan,
Michiel A. C. and Luterbacher,
Jürg and Wacker,
Lukas and Tegel,
Willy and Kirdyanov,
Alexander V.},
year={2016},
month=feb,
pages={231–236} }