@book{id_11565,
author = "Schmidt, Adolf",
title = "Mitteilungen über eine neue Berechnung des erdmagnetischen Potentials",
year = "1899",
address = "München",
publisher = "Verl. der Akad.",
series = "Abhandlungen",
volume = "Bd. 19, Abth. 1 = [1]",
url = "http://publikationen.badw.de/de/003071148",
}