@book{UBHD-3482835, edition={1. Aufl.}, address={Bonn}, year={1987}, pages={244 S.}, language={ger}, isbn={3-923904-12-6 and 978-3-923904-12-9}, number={ARRAY(0x55b73ecf5390)}, series={UN-Texte}, library={DI [Signatur: A 3106 / Uebers] ; ES [Signatur: <ES> 851 Ueber]}, }