RelBib: Results for "(11854523x OR 11850553x)" https://relbib.de/search/results?filter[]=~author_facet:"Klek, Konrad 1960-"&filter[]=~format:"Book"&filter[]=~publisher_facet:"Bärenreiter-Verlag"&lookfor=(11854523x OR 11850553x)&type=AllFields