1. http://www.pes.eu.com/wind/on-the-leading-edge-innovative-solutions-to-reduce-rain-erosion/6236/
2. http://renews.biz/102051/siemens-tackles-blade-erosion/
3. http://www.compositesworld.com/articles/wind-blades-progress-and-challenges
4. http://renews.biz/103791/catapult-targets-blade-erosion/
5. http://www.awea.org American wind energy association [accessed April 2016].