Friedl, R., M. B. Preisack, W. Klas, T. Rose, S. Stracke, K. J. Quast, A. Hannekum, and O. Gödje. “Virtual Reality and 3D Visualizations in Heart Surgery Education”. The Heart Surgery Forum, vol. 5, no. 3, Sept. 2002, pp. E017-E021, https://journal.hsforum.com/index.php/HSF/article/view/6159.