RelBib: Results for "(((((13784526x OR (13187506x OR 13381226x)) OR ((13774529x OR 13774689x) OR (16778529x OR 16278029x))) OR 13785269x) OR ((14245902x OR (((12892022x OR 16040066x) OR 12995022x) OR 12342626x)) OR 17112426x)) OR 13388127x)"

https://relbib.de/search/results?filter[]=era_facet:"20th century"&lookfor=(((((13784526x OR (13187506x OR 13381226x)) OR ((13774529x OR 13774689x) OR (16778529x OR 16278029x))) OR 13785269x) OR ((14245902x OR (((12892022x OR 16040066x) OR 12995022x) OR 12342626x)) OR 17112426x)) OR 13388127x)&type=AllFields