RelBib: Results for "((11850522x OR 11850021x) OR (11850553x OR 16750553x))"

https://relbib.de/search/results?filter[]=is_open_access:"non-open-access"&filter[]=~author_facet:"Bach, Johann Sebastian 1685-1750"&filter[]=~mediatype:"Electronic"&filter[]=~publisher_facet:"[Unassigned]"&filter[]=~relbib_notation_facet:"[Unassigned]"&lookfor=((11850522x OR 11850021x) OR (11850553x OR 16750553x))&type=AllFields