@book{UBHD-1017286, publisher={Bagel}, address={D{\"u}sseldorf}, year={1975}, pages={414 S.}, language={ger and fre}, isbn={3-513-02165-8 and 3-513-02162-3 and 978-3-513-02165-6 and 978-3-513-02162-5}, library={UB [Signatur: 77 B 1028::2] ; RO [Signatur: RO/IE 3628 H666-2]}, }