On discrete-time trajectory planning for state space exact linearizable systems. - Armando M. Ferreira; Sunil K. Agrawal (ACC, 2000)

Groups of Unmanned Vehicles: Differential Flatness, Trajectory Planning, and Control. - Stephen T. Pledgie; Yongxing Hao; Armando M. Ferreira; Sunil Kumar Agrawal; Robert Murphey (ICRA, 2002)

State Space Reconstruction Using Extended State Observers to Control Chaos in a Nonlinear Pendulum. - Francisco Heitor I. Pereira-Pinto; Armando M. Ferreira; Marcelo Amorim Savi (Int. J. Bifurc. Chaos, 2005)