@article{SauerGrebe2021,
  author    = {Michael Sauer and Markus Grebe},
  title     = {Plant cell biology},
  journal   = {Current biology : CB},
  series    = {PIN polarity maintained},
  volume    = {31},
  number    = {9},
  pages     = {R449 -- R451},
  doi       = {10.1016/j.cub.2021.03.070},
  year      = {2021},
}