RelBib: Results for "(11855896x OR 11853596x)"
https://relbib.de/search/results?filter[]=genre_facet:"Thesis"&filter[]=~format:"Archived Material"&filter[]=~format:"Article"&filter[]=~format:"Book"&filter[]=~format:"Serial"&filter[]=~language:"German"&lookfor=(11855896x OR 11853596x)&type=AllFields