o:1611480
Persistent identifier https://phaidra.univie.ac.at/o:1611479
Handle https://hdl.handle.net/11353/10.1611479
URI https://valep.vc.univie.ac.at/virtualarchive/public/John_Kemeny_to_Carnap_Ina_Carnap_1963-05-23_L/d:903944