Collisions of counter-propagating pulses in coupled complex cubic-quintic Ginzburg–Landau equationsO. Descalzi, J. Cisternas, P. Gutiérrez and H. R. BrandEur. Phys. J. Special Topics, 146 (2007) 63-70DOI: https://doi.org/10.1140/epjst/e2007-00169-8