@article{CiemerRehmKurthsetal.2020,
  author    = {Catrin Ciemer and Lars Rehm and J{\"u}rgen Kurths and Reik Volker Donner and Ricarda Winkelmann and Niklas Boers},
  title     = {An early-warning indicator for Amazon droughts exclusively based on tropical Atlantic sea surface temperatures},
  journal   = {Environmental Research Letters},
  volume    = {15},
  number    = {9},
  year      = {2020},
}