1. Consulted at: 2015-02-13. Techncal data sheet – Macroplast UK 1340-B90.
2. Consulted at: 2015-02-13. Technical data ,sheet Tycor W-series type foam materials.
3. Wind turbines – adaptive bend-torsional coupling wind turbine blade design imitating the topology structure of natural plant leaves;Al-Bahadly,2011
4. Influence of the interface bonding strength on brittle crack propagation in bi-material structural components;Carpinteri,2004
5. Passive load control for large wind turbines;Ashwill,2010