1. Barney, G.C., dos Santos, S.M.: Elevator Traffic Analysis, Design and Control. IEE Peter Peregrinus, London (1985)
2. Powell, B.A: Important Issues in Up-peak Traffic Handling. In: Proceedings of the 1992 International Conference on Elevator Technologies, Amsterdam, Holland, pp. 207–218 (1992)
3. Chan, W.L., So, A.T.P., Lam, K.C.: Dynamic Zoning in Elevator Traffic Control. In: Proceedings of the 1995 International Conference on Elevator Technologies, Hong Kong, China, pp. 132–140 (1995)
4. So, A.T.P., Chan, W.L.: Comprehensive Dynamic Zoning Algorithms. Elevator World, XLV(8), 899–109 (1997)
5. Zeng, J.C., Jie, J., Cui, Z.H.: Particle Swarm Optimization Algorithms. Chinese Press of Science (2004)