@inbook{wagter_koopmans_croon_remes_ruijsink_2013, 
  title={Autonomous Wind Tunnel Free-Flight of a Flapping Wing MAV}, 
  DOI={10.1007/978-3-642-38253-6_35}, 
  publisher={Springer Berlin Heidelberg}, 
  author={Wagter and Koopmans and Croon and Remes and Ruijsink}, 
  year={2013}
  }