o:1714803
Persistent identifier https://phaidra.univie.ac.at/o:1714802
Handle https://hdl.handle.net/11353/10.1714802
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_Jzef_Maria_Bocheski_1963-10-30_L/d:953832