1. EOTA: EAD 330047-01-0602.Fastening screws for sandwich panels.2016.
2. prEN 14509-2.Double skin metal faced insulating panels - Factory made products - Specifications - Part 2: Structural applications - Fixings and potential uses of stabilization of individual structural elements. Brussels: CEN/TC 128 Draft 7.11.2016.
3. Engel A.andLange J.Tragfähigkeit von direkt befestigten Sandwichelementen unter zyklischer Beanspruchung. Institute for Steel Structures and Materials Mechanics TU Darmstadt. (To be published).