@article{MarzolffKirchhoffStephanetal.2022,
  author    = {Irene Marzolff and Mario Kirchhoff and Robin Stephan and Manuel Seeger and Ali A{\"i}t Hssaine and Johannes B. Ries},
  title     = {Monitoring Dryland Trees With Remote Sensing. Part A: Beyond CORONA - Historical HEXAGON Satellite Imagery as a New Data Source for Mapping Open-Canopy Woodlands on the Tree Level},
  journal   = {Frontiers in Environmental Science},
  volume    = {10},
  number    = {art. 896702},
  pages     = {1 -- 21},
  doi       = {10.3389/fenvs.2022.896702},
  year      = {2022},
}