W. K. Chiu, S. T. Tan Multiple material objects: from CAD representation to data format for rapid prototyping. [Citation Graph (0, 0)][DBLP] Computer-Aided Design, 2000, v:32, n:12, pp:707-717 [Journal]
W. K. Chiu, S. T. Tan An automatic method for controlling the centre of gravity of a model. [Citation Graph (0, 0)][DBLP] Computer-Aided Design, 2002, v:34, n:13, pp:997-1010 [Journal]