@book{UBHD-66826102, year={1991}, language={ger}, isbn={0-8213-1834-9 and 978-0-8213-1834-8}, number={ARRAY(0x55af4d189f08)}, series={Jahresbericht / Weltbank}, library={ES [Signatur: <ES> 5830 WELT/ANNU/B/]}, }