@Book{Bauernfeind1868, author = "Bauernfeind, Carl Maximilian von", title = "Ein neues Spiegelprisma mit constanten Ablenkungswinkeln", year = "1868", address = "München", series = "Sitzungsberichte", volume = "1868,1,22", url = "https://publikationen.badw.de/de/003903809", }