@book{UBHD-1050528, author={Procházka, Roman von}, publisher={Degener}, address={Neustadt an der Aisch}, year={1973}, pages={395 S.}, language={ger}, isbn={3-7686-5002-2 and 978-3-7686-5002-1}, library={UB [Signatur: 73 B 2536::[HAUPTBD.]]}, }