o:1532649
Persistent identifier https://phaidra.univie.ac.at/o:1532647
Handle https://hdl.handle.net/11353/10.1532647
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_Ina_Carnap_to_Feigl_1956-10-11_L/d:853387