Persistent identifier https://phaidra.univie.ac.at/o:1724250
Handle https://hdl.handle.net/11353/10.1724250
URI https://valep.vc.univie.ac.at/virtualarchive/public/Bar-Hillel_Shulamith_Bar-Hillel_to_Carnap_1964-06-02_L_Original/dv:936701