RelBib: Results for "((11850522x OR 11850021x) OR 11850553x)"
https://relbib.de/search/results?filter[]=era_facet:"1983"&filter[]=genre_facet:"Conference program"&filter[]=topic_facet:"Congresses"&filter[]=~format:"Book"&filter[]=~format:"Musical Score"&filter[]=~mediatype:"Non-Electronic"&lookfor=((11850522x OR 11850021x) OR 11850553x)&type=AllFields