RelBib: Results for "11850553x"

https://relbib.de/search/results?filter[]=era_facet:"1996"&filter[]=topic_facet:"Bach, Johann Sebastian (1685-1750)"&filter[]=~relbib_notation_facet:"KBB"&filter[]=~relbib_notation_facet:"[Unassigned]"&lookfor=11850553x&type=AllFields