Tekkaya, A. Erman, Thomas Mennecart, Jörg Witulski, Werner Homberg, and Tim Rostek. Presshärten von Rohren und Profilen mittels formlos festen Stoffen. Forschung für die Praxis . Düsseldorf: Verlag und Vertriebsgesellschaft mbH, 2012.

Homberg, Werner, and Tim Rostek. “High Performance Active Elements for Agricultural Machines Made of Ultra High-Strength Steels.”https://doi.org/10.4028/www.scientific.net/kem.473.229__Key Engineering Materials, 2011, 229–34.https://doi.org/10.4028/www.scientific.net/kem.473.229 .

Mennecart, Thomas, Tim Rostek, Jörg Witulski, Alexander Brosius, A. Erman Takkaya, and Werner Homberg. “Presshärten von Rohren und Profilen mittels formlos fester Stoffe.” Tagungsband zum 6. Erlanger Workshop Warmblechumformung. Erlangen: Meisenbach, 2011.

Homberg, Werner, and Tim Rostek. “High Performance Active Elements for Agricultural Machines Made of Ultra High-Strength Steels.” In Proceedings. of the 10th International Conference on Technology of Plasticity (ICTP). Berlin: Springer, 2011.

Homberg, Werner, Daniel Hornjak, Charlotte Beerwald, Tim Rostek, Joachim Kunert, and D.  Wilk. Incremental Forming of Tubes and Sheets Assisted by Friction-Induced Heating. Functionally Graded Materials in Industrial Mass Production. Auerbach, 2009.