o:1442959
Persistent identifier https://phaidra.univie.ac.at/o:1442958
Handle https://hdl.handle.net/11353/10.1442958
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_Ina_Carnap_to_Feigl_1959-01_L/d:848838