Home IMPRS PhD Programme Curriculum PhD Physics Retreats IMPRS Retreat 2011 IMPRS Retreat 2011 Picture Gallery Evangelische Akademie Hofgeismar Retreat 2011 June 22, 2011 Retreat 2011 IMPRS Retreat Retreat 2011 June 22, 2011 IMPRS Retreat June 22, 2011 June 22, 2011 June 22, 2011 June 22, 2011 June 22, 2011 June 22, 2011 June 22, 2011 June 22, 2011 June 22, 2011 June 22, 2011 June 22, 2011 June 22, 2011