o:1479345
o:1712945
Persistent identifier https://phaidra.univie.ac.at/o:1479344
Handle https://hdl.handle.net/11353/10.1479344
URI https://valep.vc.univie.ac.at/virtualarchive/public/Schilpp_to_Carnap_1967-11-17_L/d:847929