RelBib: Results for "((11850553x OR 11850004x) OR 11860922x)*"

https://relbib.de/search/results?filter[]=era_facet:"1989"&filter[]=genre_facet:"Congresses"&filter[]=~geographic_facet:"France"&filter[]=~geographic_facet:"Stuttgart"&lookfor=((11850553x OR 11850004x) OR 11860922x)*&type=AllFields