October 26th 2020, h. 15:00 CET, Zoom
October 22th 2020, h. 14:00 CEST, Zoom
September 17th 2020, h. 14:00 CEST, Zoom
June 24th 2020, h. 14:00 CEST, Zoom
April 29th 2020, h. 10:00 CEST, Zoom
September 24th 2019, h.14:30, room J7-43/J7-45