1. Hess, A.: Vorteile und Herausforderungen beim Laserstrahlschweißen mit Strahlquellen höchster Fokussierbarkeit. Dissertation, 2012, Universität Stuttgart.
2. Process Studies on Laser Welding of Copper with brilliant green and infrared lasers;Engler;Physics Procedia,2011
3. Hesse, T., Bocksrocker, O., Dold, E., Havrilla, D.: KW-Class laser welding with beam sources in the visible wavelength area. At: International Congress on Applications of Lasers & Electro-Optics (Icaleo 2019).
4. Kaiser, E., Dold, E.-M., Killi, A., Zaske, S., Pricking, S.: Application benefits of welding copper with a 1 kW, 515 nm continuous wave laser. At: 10th CIRP Conference on Photonic Technologies (Lane 2018).
5. Investigations of laser welding phenomena of pure copper by x-ray observation system;Miyagi;J Laser Appl,2015