Patrick Valtin at WISE EU part 2 - 2016-09-17

Wikipedia cite:
{{cite news | author = Rod Keller | title = Patrick Valtin at WISE EU part 2 | url = https://www.youtube.com/watch?v=zn4oPEBvnOw | work = YouTube | date = September 17, 2016 | accessdate = February 22, 2017 }}