Overfitting by PSO trained feedforward neural networks. - Andrich B. van Wyk; Andries P. Engelbrecht (IEEE Congress on Evolutionary Computation, 2010)

Heterogeneous particle swarms in dynamic environments. - Barend Jacobus Leonard; Andries P. Engelbrecht; Andrich B. van Wyk (SWIS, 2011)

Lambda-gamma learning with feedforward neural networks using particle swarm optimization. - Andrich B. van Wyk; Andries P. Engelbrecht (SWIS, 2011)

Analysis of activation functions for particle swarm optimised feedforward neural networks. - Andrich B. van Wyk; Andries P. Engelbrecht (CEC, 2016)