FRIESE, Klaus Gerrit. Opening Speech: Chairman of ZADIK. In: INSTITUT FÜR MODERNE KUNST, ZADIK, basis wien, (ed.). State of the Art Archives: International Conference on Archives Documenting Modern and Contemporary Art. Heidelberg: arthistoricum.net-ART-Books,2019. p. 23–26. DOI: 10.11588/arthistoricum.426.c6240. Disponível em: https://books.ub.uni-heidelberg.de/arthistoricum/catalog/book/426/chapter/6240.. Acesso em: 17 jul. 2024.