@Book{GerlachKranzKuhn1949,
author  = "Gerlach, Walther and Kranz, J. and Kuhn, K. W.",
title   = "Die thermische Idealisierung in sehr schwachen Magnetfeldern",
year    = "1949",
address = "München",
series  = "Sitzungsberichte",
volume  = "1948,14.",
url     = "https://publikationen.badw.de/en/003383598",
}