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Schuler, S., Schlipf, D., Kühn, M., & Allgöwer, F. (2010). $\ell_1$- optimal multivariable pitch control for load reduction on large wind turbines. In European Wind Energy Conference. Warsaw, Poland. Abgerufen von http://proceedings.ewea.org/ewec2010/allfiles2/94_EWEC2010presentation.pdf (Original work published apr)