RelBib: Results for "((11585794x OR 11655794x) OR (11856921x OR 11856031x))"

https://relbib.de/search/results?filter[]=~author_facet:"Meer, Frederik van der 1904-1994"&filter[]=~relbib_notation_facet:"[Unassigned]"&lookfor=((11585794x OR 11655794x) OR (11856921x OR 11856031x))&type=AllFields