RelBib: Results for "(11853856x OR 11853596x)" https://relbib.de/search/results?filter[]=~language:"German"&filter[]=~relbib_notation_facet:"AB"&filter[]=~relbib_notation_facet:"[Unassigned]"&lookfor=(11853856x OR 11853596x)&page=2&type=AllFields