Jaaskelainen, Taina, Meinhard Moschner, and Joachim Wackerow. “Controlled Vocabularies for DDI 3: Enhancing Machine-Actionability”. IASSIST Quarterly 33, no. 1-2 (November 11, 2010): 34. Accessed January 6, 2025. https://iassistquarterly.com/index.php/iassist/article/view/649.