@book{37860,
  author = {Erwin Janchen},
  title = {Richard Wettstein. Sein Leben und Wirken},
  year = {1933},
  publisher = {Springer},
  address = {Wien},
  url = {https://books.google.at/books?id=2zW0BgAAQBAJ\&pg},
  language = {eng},
}