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