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Baril, France. “DITA - The mechanics of a single sourcing project.” In Proceedings of Extreme Markup Languages 2004®.
Hennum, Erik. “DITA specialization by description and example.” In Proceedings of Extreme Markup Languages 2007®.
Hennum, Erik. “A unified type hierarchy for discourse: A potential direction for DITA 2.” In Proceedings of Extreme Markup Languages 2005®.
Priestley, Michael, Erik Hennum and Dave A. Schell. “Specialization and modularization in the Darwin Information Typing Architecture.” In Proceedings of Extreme Markup Languages 2002.
Sirois, Eric A. “Darwin Information Typing Architecture (DITA) specialization using W3C XML Schema.” In Proceedings of Extreme Markup Languages 2004®.