EVOLUTION OF STEFAN KAUFMANN 1979-PRESENT

Stefan Kaufmann (Member of the German Parliament)

Udo Dirkschneider Stefan Kaufmann interview 1998 480p

The missing piece in the industrial energy transition | Dr. Stefan Kaufmann | TEDxHHN

Accept - Interviews and Footage On The Road

U.D.O. - Mastercutor Alive 2008 (Behind The Scenes)

Update on TB Vaccines and Implication for TB/HIV- Stefan Kaufmann (Max Planck Institute)