@Book{Boas1941,
author  = "Boas, Friedrich",
title   = "Über dynamische Faktoren in einigen Pflanzen",
year    = "1941",
address = "München",
series  = "Sitzungsberichte",
volume  = "1941,9",
url     = "https://publikationen.badw.de/de/020503417",
}