@article{Korneffel2022,
  author    = {Peter Korneffel},
  title     = {Alexander von Humboldt postfrisch},
  journal   = {HiN : Alexander von Humboldt im Netz ; International Review for Humboldtian Studies},
  series    = {die Rezeption des deutschen Naturforschers in der weltweiten Philatelie},
  editor    = {Ottmar Ette and Eberhard Knobloch},
  volume    = {XXIII},
  number    = {44},
  pages     = {59 -- 82},
  doi       = {10.25932/publishup-58943},
  year      = {2022},
}