@article{hangartner_siegwolf_saurer_frank_bugmann_leuenberger_büntgen_kress_2014, 
  title={Swiss tree rings reveal warm and wet summers during medieval times}, 
  DOI={10.7892/boris.57913}, 
  publisher={American Geophysical Union}, 
  author={Hangartner, Sarah and Siegwolf, Rolf T.W. and Saurer, Matthias and Frank, David C. and Bugmann, Harald and Leuenberger, Markus and Büntgen, Ulf and Kress, Anne}, 
  year={2014}
  }