@Book{Kohlrausch1883,
author  = "Kohlrausch, Friedrich",
title   = "Ueber die Messung localer Variationen der erdmagnetischen Horizontal-Intensität",
year    = "1883",
address = "München",
series  = "Sitzungsberichte",
volume  = "1883,1",
url     = "https://publikationen.badw.de/en/003394560",
}