@book{UBHD-1745893, publisher={Verl. Notring}, address={Wien}, year={1968}, pages={23 Kt.}, language={ger}, number={ARRAY(0x561413c941f0)}, series={Dissertationen der Universit{\"a}t Wien}, library={UB [Signatur: 68 P 9975::Kartentasche]}, }