RelBib: Results for "(((11850598x OR 11850021x) OR 11850553x) OR 11860922x)" https://relbib.de/search/results?filter[]=~author_facet:"Blankenburg, Walter 1903-1986"&lookfor=(((11850598x OR 11850021x) OR 11850553x) OR 11860922x)&type=AllFields