Current developments in wind - 2009 : going to great lengths to improve wind energy / Wouter Engels, Tom Obdam and Feike SavenijeWind farm modeling and control : an inventory / Stoyan Kanev, Feike Savenije, Maryam Soleimanzadeh, Edwin WiggelinkhuizenActive Wake Control: loads trends / S.K. Kanev, F.J. SavenijeLiDAR application for wind energy efficiency / K. Boorsma, J.W. Wagenaar, F.J. Savenije, M. Boquet, W.A.A.M. Bierbooms, A.H. Giyanani, R. Rutteman