Impact of higher-order effects on pulsating and chaotic solitons in dissipative systems Sofia C.V. Latas and Mário F.S. Ferreira Eur. Phys. J. Special Topics, 223 1 (2014) 79-89 Published online: 23 January 2014 DOI: 10.1140/epjst/e2014-02085-2