@Book{Lommel1881,
author  = "Lommel, Eugen von",
title   = "Theorie der Drehung der Polarisationsebene",
year    = "1881",
address = "München",
series  = "Sitzungsberichte",
volume  = "1881,23",
url     = "https://publikationen.badw.de/de/003395099",
}