@Book{Beetz1873,
author  = "Beetz, Wilhelm von",
title   = "Ueber die Rolle, welche Hyperoxyde in der voltaschen Kette spielen",
year    = "1873",
address = "München",
series  = "Sitzungsberichte",
volume  = "1873,4",
url     = "https://publikationen.badw.de/de/003392200",
}