@Book{Lommel1886,
author  = "Lommel, Eugen von",
title   = "Beobachtungen über Phosphorescenz",
year    = "1886",
address = "München",
series  = "Sitzungsberichte",
volume  = "1886,12",
url     = "https://publikationen.badw.de/en/003392582",
}