A. Joos, P. Heritier, C. Huber, and W. Fichter. Embedded Guidance, Navigation and Control in Aerospace, 1, page 73--78. Bangalore, India, International Federation of Automatic Control, (February 2012)
L. Schmitt, and W. Fichter. AIAA Guidance, Navigation, and Control Conference, page 1858. San Diego, California, USA, The American Institute of Aeronautics and Astronautics, (January 2016)