C. Thipyopas, and N. Intaratep. Proceedings of the International Micro Air Vehicles conference 2011 summer edition, page 100--107. Delft, NL, Delft University of Technoloy and Thales, (2011)
T. Mueller. RTO Applied Vehicle Panel Special Course on Development and Operation of UAVs for Military and Civil Applications, Saint-Genèse, BE, NATO Research and Technology Organisation, (September 1999)