1. Benatar A (1987) Ultrasonic welding of advanced thermoplastic composites, Dissertation. Massachusetts Institute of Technology (MIT), Boston, USA
2. Michaeli W, Kamps T (2010) Heating and plasticizing polymers with energetic ultrasound for micro injection molding. Annual technical conference (ANTEC) of the society of plastics engineers (SPE). Orlando (FL), USA
3. Michaeli W, Opfermann D (2006) Ultrasonic plasticizing for micro injection moulding. In: Conference on multi material micro manufacture (4 M), Grenoble, France
4. Michaeli W, Maesing R, Kamps T, Hessner S (2008) Injection moulding—machine technology. In: 24th international IKV plastics technology colloquium. Aachen, Germany
5. Potente H (1971) Untersuchung der Schweissbarkeit thermoplastischer Kunststoffe mit Ultraschall. Dissertation, RWTH Aachen, Germany