DDI Version 3 and Instrument Documentation. - Karl Dinkelmann (IASSIST Conference, 2006)

High-Level Architectural Model for DDI Applications. - Karl Dinkelmann; Pascal Heus; Chuck Humphrey; Jeremy Iverson; Jannik Vestergaard Jensen; Sigbjørn Revheim; Joachim Wackerow (DDIAlliance.org, 2009)