"Frequently Asked Questions". Antoine Dufour Youtube channel. 10 March 2007. Event occurs at 8:38. Archived from the original on 14 December 2021. Retrieved 13 March 2019.
"Frequently Asked Questions". Antoine Dufour Youtube channel. 10 March 2007. Event occurs at 8:38. Archived from the original on 14 December 2021. Retrieved 13 March 2019.