@Book{FraunhoferLommel1888,
author  = "Fraunhofer, Joseph von and Lommel, Eugen von [Sonst.]",
title   = "Joseph von Fraunhofer's gesammelte Schriften",
year    = "1888",
address = "München",
series  = "",
volume  = "",
url     = "https://publikationen.badw.de/en/003056526",
}