@book{UBHD-2633359, title={Hannover, March, 14 - 17, 1990}, year={1990}, language={eng}, isbn={87-7245-347-8 and 978-87-7245-347-7}, number={ARRAY(0x55b181efdab8)}, series={Program of plenary sessions and abstracts}, library={UB [Signatur: ZSN 42 B::122,SUPPL.1]}, }