RelBib: Results for "(11853856x OR (11853453x OR 16750553x))"
https://relbib.de/search/results?filter[]=is_open_access:"non-open-access"&filter[]=topic_facet:"Boehringer, Robert"&filter[]=topic_facet:"George, Stefan (1868-1933)"&filter[]=~format:"Book"&lookfor=(11853856x OR (11853453x OR 16750553x))&type=AllFields