Zanon, Mario and Horn, Greg and Gros, Sebastien and Diehl, Moritz  Control of Dual-Airfoil Airborne Wind Energy systems based on nonlinear MPC and MHE.  In: European Control Conference, June 24-27, 2014, Strasbourg, France pp. 1801-1806.  ISBN 978-3-9524269-1-3.      (2014)