@article{Bomble2021,
  author    = {F. Wolfgang Bomble},
  title     = {Zwei neue Draba subgen. Erophila-Arten in Aachen und Umgebung},
  journal   = {Jahrbuch des Bochumer Botanischen Vereins},
  volume    = {12},
  pages     = {37 -- 51},
  year      = {2021},
}