Fleck, T., E. Tschernko, D. Hutschala, N. Simon-Kupilik, T. Bader, E. Wolner, and W. Wisser. “Total Endoscopic CABG Using Robotics on Beating Heart”. The Heart Surgery Forum, vol. 8, no. 4, July 2005, pp. E266-E268, doi:10.1532/HSF98.20051132.