Letter / Issued Document - Letter
o:1626043
Persistent identifier https://phaidra.univie.ac.at/o:1626042
Handle https://hdl.handle.net/11353/10.1626042
URI https://valep.vc.univie.ac.at/virtualarchive/public/Oppenheim_to_Carnap_1968-04-09_L/d:935884