RelBib: Results for "(11850522x OR 11850553x)"
https://relbib.de/search/results?filter[]=genre_facet:"Congresses"&filter[]=topic_facet:"Congress"&filter[]=~author_facet:"Sommerakademie Johann Sebastian Bach 1980; 1983; 1989"&filter[]=~mediatype:"Non-Electronic"&filter[]=~relbib_notation_facet:"[Unassigned]"&lookfor=(11850522x OR 11850553x)&type=AllFields