Heuristic Evolutionary Approach for Weighted Circles Layout. - Ziqiang Li; Hongliang Zhang; Jin-Hua Zheng; Mengjuan Dong; Yanfang Xie; Zhuojun Tian (ISIA, 2010)

A heuristic particle swarm optimization with quasi-human strategy for weighted circles packing problem. - Ziqiang Li 002; Yanfang Xie; Zuijun Tian; Zhou Lichao (ICNC, 2012)

A knowledge-based heuristic particle swarm optimization approach with the adjustment strategy for the weighted circle packing problem. - Ziqiang Li 002; Zhuojun Tian; Yanfang Xie; Rong Huang 004; Jiyang Tan (Comput. Math. Appl., 2013)