Aras, A.Ç., Kaynak, O., “Trajectory Tracking of a 2-DOF Helicopter System using Neuro-Fuzzy System with Parameterized Conjunctors”, 2014 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM), Book Series: IEEE ASME International Conference on Advanced Intelligent Mechatronics, 322-326, 2014.