1. thesis at the IfW, University of Kassel, Shaker Verlag, Aachen, Germany (1996).
2. and Conference Verbundwerkstoffe und Werkstoffverbunde, pp. 395-400, Kaiserslautern Germany, DGM Informationsgesellschaft mbH (1997).
3. The effect of glass-resin interface strength on the impact strength of fiber reinforced plastics
4. Effect of impact perforation load on GFRP composites
5. and Effect of Silane Treated Fibre on Damage Tolerance in Glass Fabric/Vinylester Laminates Subjected to Static and Impact Flexural Loading, Proc. Interfacial Phenomena in Composite Materials, p. 131, Eindhoven, The Netherlands (1995).