o:1485958
Persistent identifier https://phaidra.univie.ac.at/o:1485957
Handle https://hdl.handle.net/11353/10.1485957
URI https://valep.vc.univie.ac.at/virtualarchive/public/Folder_19a_An_Axiom_System_of_Inductive_Logic_Part_III_Item_1a_1961_1961/a:654030