o:1591228
Persistent identifier https://phaidra.univie.ac.at/o:1591227
Handle https://hdl.handle.net/11353/10.1591227
URI https://valep.vc.univie.ac.at/virtualarchive/public/Richard_M_Martin_More_detailed_description_of_the_proposed_research_1958-10_M/d:875134