@article{articleeca3d67b,
title   = {Controlling chaotic orbits in mechanical systems with impacts},
author = {Souza, Silvio L. T. de and Caldas, Iberê Luiz},
year = {2004},
doi = {10.1016/s0960-0779(03)00129-2},
journal   = {Chaos, Solitons and Fractals}
}