RelBib: Results for "(11850391x OR 11860922x)"
https://relbib.de/search/results?filter[]=topic_facet:"Barth, Karl (1886-1968)"&filter[]=~author_facet:"Barion, Hans 1899-1973"&filter[]=~author_facet:"Eichhorn, Mathias"&lookfor=(11850391x OR 11860922x)&type=AllFields