@book {22157,
	title = {Die Urwelt der Schweiz},
	volume = {Lfg. 7-11},
	year = {1864},
	pages = {289-496, pl. 9-10},
	publisher = {F. Schulthe{\ss}},
	organization = {F. Schulthe{\ss}},
	address = {Zurich},
	author = {Heer, O.}
}
