Constrained particle swarm optimisation for sequential quadratic programming. - Zach D. Richards (Int. J. Model. Identif. Control., 2009)

Particle Swarm trade-off curve analysis for bi-objective optimization. - Zach D. Richards; Kimon P. Valavanis (IEEE Congress on Evolutionary Computation, 2010)

Fuzzy Optimal Algorithms for Multiple Target Convergence. - Zach D. Richards (Fuzzy Optimization, 2010)