o:1714682
Persistent identifier https://phaidra.univie.ac.at/o:1714681
Handle https://hdl.handle.net/11353/10.1714681
URI https://valep.vc.univie.ac.at/virtualarchive/public/Dover_Publications_Inc_Hayward_Cirker_to_Carnap_1959-03-20_L/d:981638