@article{MayrKuenzerGessneretal.2019,
  author    = {Stefan Mayr and Claudia Kuenzer and Ursula Gessner and Igor Klein and Martin Rutzinger},
  title     = {Validation of earth observation time-series: a review for large-area and temporally dense land surface products},
  journal   = {Remote Sensing},
  volume    = {11},
  number    = {22},
  doi       = {10.3390/rs11222616},
  year      = {2019},
}