Persistent identifier https://phaidra.univie.ac.at/o:1705857
Handle https://hdl.handle.net/11353/10.1705857
URI https://valep.vc.univie.ac.at/virtualarchive/public/Johannes_Carnap_to_Carnap_Erika_Thost_1966-11-28_L_Copy/dv:985264