o:1710720
Persistent identifier https://phaidra.univie.ac.at/o:1710719
Handle https://hdl.handle.net/11353/10.1710719
URI https://valep.vc.univie.ac.at/virtualarchive/public/Morris_Philipson_University_of_Chicago_Press_to_Carnap_1970-11_L/d:938292