Rolf Diederichs in an Interview with Focus-TV on PRO 7
When we noticed the cover politics of the Deutsche Bahn
which was backed by many TV channels, Rolf Diederichs
agreed an interview with Focus-TV, explaining
the necessary of NDT to assure safety and reliability.
The special report of Focus-TV was transmitted at 14. June 1998 22:10 on PRO 7