o:1611502
o:1611478
Persistent identifier https://phaidra.univie.ac.at/o:1611477
Handle https://hdl.handle.net/11353/10.1611477
URI https://valep.vc.univie.ac.at/virtualarchive/public/John_Kemeny_to_Carnap_Ina_Carnap_1964-04-26_L/d:903937