o:1684157
Persistent identifier https://phaidra.univie.ac.at/o:1684156
Handle https://hdl.handle.net/11353/10.1684156
URI https://valep.vc.univie.ac.at/virtualarchive/public/Carnap_to_University_of_Chicago_Press_LaVon_Uppling_1947-06-07_L/d:951605