RelBib: Results for "((11850522x OR 11850553x) OR 11860922x)"
https://relbib.de/search/results?filter[]=~author_facet:"Blasius, Dirk 1941-"&filter[]=~geographic_facet:"Deutschland"&filter[]=~geographic_facet:"Prussia (Germany)"&filter[]=~geographic_facet:"Usa"&lookfor=((11850522x OR 11850553x) OR 11860922x)&type=AllFields