Letter / Issued Document - Letter
o:1528127
o:1442810
Persistent identifier https://phaidra.univie.ac.at/o:1442809
Handle https://hdl.handle.net/11353/10.1442809
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_Feigl_1959-02-04_L/d:848852