@Book{Nägeli1864,
author  = "Nägeli, Carl",
title   = "Der innere Bau der vegetabilischen Zellenmembranen",
year    = "1864",
address = "München",
series  = "Sitzungsberichte",
volume  = "2",
url     = "https://publikationen.badw.de/de/003896492",
}