Persistent identifier https://phaidra.univie.ac.at/o:1711075
Handle https://hdl.handle.net/11353/10.1711075
URI https://valep.vc.univie.ac.at/virtualarchive/public/Birgit_Gramm_Gerhard_Gramm_Birgirt_and_Gerhard_Gramm_Photo_Original/dv:982407