Letter / Issued Document - Letter
o:1625804
Persistent identifier https://phaidra.univie.ac.at/o:1625803
Handle https://hdl.handle.net/11353/10.1625803
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_Martin_Gardner_1965-11-15_L/d:935698