ORIGINAL
Persistent identifier https://phaidra.univie.ac.at/o:1710613
Handle https://hdl.handle.net/11353/10.1710613
URI https://valep.vc.univie.ac.at/virtualarchive/public/Otto_Lange_Springer-Verlag_to_Carnap_1964-02-05_L_Original/dv:939984