COPY
Persistent identifier https://phaidra.univie.ac.at/o:1528752
Handle https://hdl.handle.net/11353/10.1528752
URI https://valep.vc.univie.ac.at/virtualarchive/public/Neurath_to_Carnap_Executive_Committee_Unity_of_Science_Morris_Philipp_Frank_1937-11-24_L_Copy/dv:846186