RelBib: Results for "(11860922x OR 11850553x)"
https://relbib.de/search/results?filter[]=era_facet:"20th century"&filter[]=~language:"English"&filter[]=~relbib_notation_facet:"NCD"&filter[]=~relbib_notation_facet:"VA"&filter[]=~relbib_notation_facet:"ZC"&lookfor=(11860922x OR 11850553x)&type=AllFields