Die Temponauten English release: The Temponauts Literal: The temponauts by Ronald M. Hahn [ex=bare]Die Temponauten | The temponauts[/ex] by Ronald M. Hahn (Corian, 1983).
Operation Vergangenheit by Ronald M. Hahn Operation Vergangenheit by Ronald M. Hahn (Kelter, December 2016).