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

Scalability Study of Particle Swarm Optimizers in Dynamic Environments. - Barend J. Leonard; Andries P. Engelbrecht (ANTS, 2012)

On the optimality of particle swarm parameters in dynamic environments. - Barend J. Leonard; Andries P. Engelbrecht (IEEE Congress on Evolutionary Computation, 2013)

Angle Modulated Particle Swarm Variants. - Barend J. Leonard; Andries P. Engelbrecht (ANTS Conference, 2014)

Frequency Distribution of Candidate Solutions in Angle Modulated Particle Swarms. - Barend J. Leonard; Andries P. Engelbrecht (SSCI, 2015)

Critical considerations on angle modulated particle swarm optimisers. - Barend J. Leonard; Andries P. Engelbrecht; Christopher Wesley Cleghorn (Swarm Intell., 2015)