@article{WaltherGuanterHeimetal.2018,
  author    = {Sophia Walther and Luis Guanter and Birgit Heim and Martin Jung and Gregory Duveiller and Aleksandra Wolanin and Torsten Sachs},
  title     = {Assessing the dynamics of vegetation productivity in circumpolar regions with different satellite indicators of greenness and photosynthesis},
  journal   = {Biogeosciences},
  volume    = {15},
  number    = {20},
  pages     = {6221 -- 6256},
  doi       = {10.5194/bg-15-6221-2018},
  year      = {2018},
}