Persistent identifier https://phaidra.univie.ac.at/o:1717966
Handle https://hdl.handle.net/11353/10.1717966
URI https://valep.vc.univie.ac.at/virtualarchive/public/W_Schwabl_Springer-Verlag_to_Carnap_1967-12-01_L_Original/dv:939948