@Book{Vogel1885,
author  = "Vogel, August",
title   = "Ueber den Sauerstoffgasgehalt der Waldluft",
year    = "1885",
address = "München",
series  = "Sitzungsberichte",
volume  = "1885,13",
url     = "https://publikationen.badw.de/de/003391597",
}