RelBib: Results for "((((13214526x OR ((13615526x OR 13065552x) OR 12014526x)) OR (13845826x OR 13145806x)) OR (((((17845026x OR 12854029x) OR 178489026x) OR 12892022x) OR 17145426x) OR (14245026x OR 14245902x))) OR (13384126x OR 13388127x))"
https://relbib.de/search/results?filter[]=is_open_access:"non-open-access"&lookfor=((((13214526x OR ((13615526x OR 13065552x) OR 12014526x)) OR (13845826x OR 13145806x)) OR (((((17845026x OR 12854029x) OR 178489026x) OR 12892022x) OR 17145426x) OR (14245026x OR 14245902x))) OR (13384126x OR 13388127x))&type=AllFields