Communications in Nonlinear Science and Numerical Simulation
Communications in Nonlinear Science and Numerical Simulation > 2009 > 14 > 4 > 1057-1063
Communications in Nonlinear Science and Numerical Simulation > 2009 > 14 > 6 > 2776-2783
Communications in Nonlinear Science and Numerical Simulation > 2009 > 14 > 7 > 3120-3133