TY - ECHAP AU - Jan-Willem van Wingerden AU - David Schlipf AU - Pieter Gebraad AU - Gijs van Kuik AU - Joachim Peinke DO - 10.1007/978-3-319-46919-5 PB - Springer International Publishing PY - 2016 SE - Control SN - 978-3-319-46919-5 SP - 27 EP - 33 TI - Long-term Research Challenges in Wind Energy - A Research Agenda by the European Academy of Wind Energy ER -