@Book{Gerlach1933,
author  = "Gerlach, Walther",
title   = "Spektralanalytische Untersuchung einer biologischen Reaktion. Von Walther Gerlach",
year    = "1933",
address = "München",
series  = "Sitzungsberichte",
volume  = "1933,18",
url     = "https://publikationen.badw.de/en/003383417",
}