ORIGINAL
Persistent identifier https://phaidra.univie.ac.at/o:1713411
Handle https://hdl.handle.net/11353/10.1713411
URI https://valep.vc.univie.ac.at/virtualarchive/public/Otto_Lange_Springer-Verlag_to_Carnap_1954-04-02_L_Original/dv:954129