o:1683762
Persistent identifier https://phaidra.univie.ac.at/o:1683761
Handle https://hdl.handle.net/11353/10.1683761
URI https://valep.vc.univie.ac.at/virtualarchive/public/Donald_P_Bean_University_of_Chicago_Press_to_Neurath_Institute_for_the_Unity_of_Science_1939-06-05_L/d:951928