Four Rotors Helicopter Yaw and Altitude Stabilization. - Laloui Derafa; A. Ouldali; Tarek Madani; Abdelaziz Benallegue (World Congress on Engineering, 2007)

External Perturbation Estimation Based on Super-Twisting Algorithm for Attitude Control of UAVs. - Laloui Derafa; AbdelHafid El Hadri; Leonid M. Fridman (ROCOND, 2012)

Super twisting control algorithm for the attitude tracking of a four rotors UAV. - Laloui Derafa; Abdelaziz Benallegue; Leonid M. Fridman (J. Frankl. Inst., 2012)