published on 31. December 2015

Year: 2015

published on 31. December 2014

Year: 2014

published on 31. December 2011

Year: 2011

published on 31. December 2009

Year: 2009

published on 31. December 2008

Year: 2008

published on 31. December 2007

Year: 2007

published on 31. December 2006

Year: 2006

published on 31. December 1991

Year: 1991

Author: Gitta Rose, Helmut Willems, Henri Grün, Pit Recktenwald

Jugend- an Drogenhëllef Fondation