o:1490810
Persistent identifier https://phaidra.univie.ac.at/o:1490809
Handle https://hdl.handle.net/11353/10.1490809
URI https://valep.vc.univie.ac.at/virtualarchive/public/Folder_46_Reply_to_Popper_II_The_Demarcation_between_Science_and_Metaphysics_1955_1955/a:653586