Synchronization regions of two pulse-coupled electronic piecewise linear oscillators N. Rubido, C. Cabeza, S. Kahan, G.M. Ramírez Ávila and Arturo C. Marti Eur. Phys. J. D, 62 1 (2011) 51-56 Published online: 30 August 2010 DOI: 10.1140/epjd/e2010-00215-4