RelBib: Results for "(11850021x OR 11850553x)"
https://relbib.de/search/results?filter[]=era_facet:"1986"&filter[]=~author_facet:"Internationale Bachakademie Stuttgart"&filter[]=~author_facet:"Steiger, Renate 1934-2006"&filter[]=~mediatype:"Non-Electronic"&filter[]=~relbib_notation_facet:"AA"&filter[]=~relbib_notation_facet:"[Unassigned]"&lookfor=(11850021x OR 11850553x)&type=AllFields