Training materials
Standard database or policy: Identifiers.org Registry
and Authors: Celia van Gelder or Egon Willighagen or Eija Korpelainen or Kathi Zarnack or Vicky Schneider
Standard database or policy: Identifiers.org Registry
and Authors: Celia van Gelder or Egon Willighagen or Eija Korpelainen or Kathi Zarnack or Vicky Schneider