Letter / Issued Document - Letter
o:1529260
Persistent identifier https://phaidra.univie.ac.at/o:1529259
Handle https://hdl.handle.net/11353/10.1529259
URI https://valep.vc.univie.ac.at/virtualarchive/public/Feigl_to_Robert_S_Cohen_Morris_Milton_R_Konvitz_Carnap_Institute_for_the_Unity_of_Science_Hempel_Nagel_1970-06-29_L/d:848950