Kooperatives Authoring in einer virtuellen Umgebung. - Matthias Hupfer; Enrico Thor; Annett Zobel; Ulf Schubert (DeLFI, 2003)

From content to practice: Sharing educational practice in edu-sharing. - Michael Klebl; Bernd J. Krämer; Annett Zobel (Br. J. Educ. Technol., 2010)

Metadata Standards in National Education Infrastructure: Development of Evaluation Criteria and Their Exemplary Application. - Steffen Rörtgen; Ronald Brenner; Holger Zimmermann; Matthias Hupfer; Annett Zobel; Ulrike Lucke (DELFI, 2023)