1. G. Hirt, et al., Global Powertrain Congress, Detroit, MI, 1998.
2. W. Menk, R. Kupferschmid, Ingenieur Werkstoffe (Engineering Materials), February 2000, pp. 27–31.
3. T. Herlan, Umformtechnik (Forming Technology), March 1999, pp. 24–26.
4. B. Nohn, et al., Thixoforming of steel, in: Proceedings of the Sixth International Conference on Semi-solid Processing of Alloys and Composites, Turin, Italy, 2000.
5. P.J. Uggowitzer, et al., Metallkundliche Aspekte bei der semi-solid Formgebung von Leichtmetallen, in: Proceedings of the First Ranshofener Leichtmetalltage, 2000, pp. 101–107.