@book{UBHD-1125013, publisher={Bongers}, address={Recklinghausen}, year={1974}, pages={505 S.}, language={ger}, isbn={3-7647-0265-6 and 978-3-7647-0265-6}, library={UB [Signatur: 75 B 108::2] ; KU [Signatur: Ik 6250::II]}, }