Two-tier symmetry-breaking model of patterns on a catalytic surface

L. M. Pismen, R. Imbihl, B. Y. Rubinstein, and M. I. Monin Department of Chemical Engineering, Technion, Technion City, 32000 Haifa, Israel Minerva Center for Nonlinear Physics of Complex Systems, Technion, Technion City, 32000 Haifa, Israel Institut fur Physikalische Chemie und Elektrochemie, Universitat Hannover, D-30167 Hannover, Germany ~Received 19 August 1997; revised manuscript received 6 April 1998!