Kirchhoff Institute for Physics, Heidelberg University, 7 January 2015
Johannes Gutenberg University Mainz, 27 March 2014
Johannes Gutenberg University Mainz, 26 March 2014
University of Tübingen, 15. November 2013
Erice,International School of Nuclear Physics , 20 September 2013
Heidelberg University , 19 July 2013
Johannes Gutenberg University Mainz, 21 January 2013
Heidelberg University, 29 June 2012