@article{Bomble2019,
  author    = {Ferdinand Wolfgang Bomble},
  title     = {Naturverj{\"u}ngte Populationen von Corylus ×colurnoides (= C. avellana × C. colurna) in Aachen},
  journal   = {Jahrbuch des Bochumer Botanischen Vereins},
  volume    = {10},
  pages     = {25 -- 49},
  year      = {2019},
}