o:1713561
Persistent identifier https://phaidra.univie.ac.at/o:1713560
Handle https://hdl.handle.net/11353/10.1713560
URI https://valep.vc.univie.ac.at/virtualarchive/public/Harvard_University_Press_LJ_Kewer_to_Carnap_1958-07-08_L/d:954311