Dániel Hillier Serkan Günel Johan A. K. Suykens Joos Vandewalle Partial Synchronization in oscillator Arrays with Asymmetric Coupling. 4177-4185 2007 17 I. J. Bifurcation and Chaos 11 http://dx.doi.org/10.1142/S0218127407019718 db/journals/ijbc/ijbc17.html#HillierGSV07