Resch, Bernd, Andreas Wichmann, and Nicolas Göll. “Usability in 4D AR: Visualising Multi-Temporal Real-Time Geo-Data in Augmented Reality Environments”. International Journal of Interactive Mobile Technologies (iJIM) 9, no. 4 (September 25, 2015): pp. 23–33. Accessed May 23, 2022. https://online-journals.org/index.php/i-jim/article/view/4626.