RelBib: Results for "((11850391x OR (11854523x OR 11850553x)) OR 11860922x)"
https://relbib.de/search/results?filter[]=era_facet:"1990"&filter[]=~geographic_facet:"Leipzig"&filter[]=~geographic_facet:"Prussia (Germany)"&lookfor=((11850391x OR (11854523x OR 11850553x)) OR 11860922x)&type=AllFields