RelBib: Results for "(((11855042x OR 11854523x) OR 11850553x) OR 11860922x)" https://relbib.de/search/results?filter[]=~author_facet:"Petzoldt, Martin 1946-2015"&lookfor=(((11855042x OR 11854523x) OR 11850553x) OR 11860922x)&type=AllFields