Persistent identifier https://phaidra.univie.ac.at/o:1528985
Handle https://hdl.handle.net/11353/10.1528985
URI https://valep.vc.univie.ac.at/virtualarchive/public/Neurath_to_Rougier_Philipp_Frank_Jrgensen_Carnap_Morris_1937-07-05_L_Original/dv:846231