@book{UBHD-1014202, publisher={Bagel}, address={D{\"u}sseldorf}, year={1975}, pages={392 S.}, language={ger}, isbn={3-513-02154-2 and 3-513-02157-7 and 978-3-513-02157-1 and 978-3-513-02154-0}, library={UB [Signatur: 75 B 3069::1] ; DE [Signatur: <DE> L 2080::1] ; RO [Signatur: RO/IE 3214 H473-1]}, }