@Book{Vogel1872,
author  = "Vogel, August",
title   = "Die Lichtwirkung verschieden gefärbter Blätter",
year    = "1872",
address = "München",
series  = "Sitzungsberichte",
volume  = "1872,11",
url     = "https://publikationen.badw.de/de/003392271",
}