Extending particle swarm optimisers with self-organized criticality. - Morten Løvbjerg; Thiemo Krink (IEEE Congress on Evolutionary Computation, 2002)

The LifeCycle Model: Combining Particle Swarm Optimisation, Genetic Algorithms and HillClimbers. - Thiemo Krink; Morten Løvbjerg (PPSN, 2002)