@Book{Lommel1889,
author  = "Lommel, Eugen von",
title   = "Phosphoro-Photographie des ultrarothen Spectrums",
year    = "1889",
address = "München",
series  = "Sitzungsberichte",
volume  = "1888,20",
url     = "https://publikationen.badw.de/en/003391638",
}