RelBib: Results for "(11850021x OR 11860922x)"
https://relbib.de/search/results?filter[]=~author_facet:"Mehring, Reinhard 1959-"&filter[]=~author_facet:"Unruh, Peter 1965-"&filter[]=~publisher_facet:"Ketteler"&filter[]=~relbib_notation_facet:"XA"&filter[]=~relbib_notation_facet:"ZC"&lookfor=(11850021x OR 11860922x)&type=AllFields