Letter / Issued Document - Letter
o:1714424
Persistent identifier https://phaidra.univie.ac.at/o:1714423
Handle https://hdl.handle.net/11353/10.1714423
URI https://valep.vc.univie.ac.at/virtualarchive/public/Rassegna_Internazionale_di_Logica_Franco_Spisani_to_Carnap_1970-02-10_L/d:955980