A Modified Genetic Algorithm for the Beam Angle Optimization Problem in Intensity-Modulated Radiotherapy Planning. - Yongjie Li 001; Dezhong Yao 001; Jiancheng Zheng; Jonathan Yao (Artificial Evolution, 2005)

Ant colony system for the beam angle optimization problem in radiotherapy planning: a preliminary study. - Yongjie Li 001; Dezhong Yao 001; Wufan Chen; Jiancheng Zheng; Jonathan Yao (Congress on Evolutionary Computation, 2005)