An interactive classical VR concert featuring multiple views. - Michael Droste; Julien Letellier; Jürgen Sieck (AfriCHI, 2018)

Bringing a virtual string quartet to life. - Elisabeth Thielen; Julien Letellier; Jürgen Sieck; Annette Thoma (AfriCHI, 2018)

Providing Adittional Cotent to Print Media using Augmented Reality. - Julien Letellier; Jens Reinhardt 001; Peter Scholl; Jürgen Sieck; Michael Thiele-Maas (Int. J. Comput., 2018)

Visualization and Interaction Techniques in Virtual Reality for Guided Tours. - Julien Letellier; Jürgen Sieck (IDAACS, 2019)

Augmentation of Printed Content with Web-based Technologies. - Sophie Schauer; Julien Letellier; Jürgen Sieck (IDAACS, 2021)