@Book{ErnstKohler1965,
author  = "Ernst, Theodor and Kohler, Helmut",
title   = "Photoelektronische Messungen im Polarisationsmikroskop",
year    = "1965",
address = "München",
series  = "Sitzungsberichte",
volume  = "1964,8",
url     = "https://publikationen.badw.de/de/003384137",
}