8Luo Y B, Chen D F, Xiao T Y. A distributed image-based virtual prototyping system with novel rendering tactics [ J ]. The International Journal of Advanced Manufacturing Tech- nology, 2005,26(3) : 236-242.
9Jae Yeol Lee, Kwangsoo Kim. A distributed product devel- opment architecture for engineering collaborations across u- biquitous virtual enterprises[ J ]. The International Journal of Advanced Manufacturing Technology, 2007,33 ( 1-2 ) :59-70.
10Monica Bordegoni, Francesco Ferrise, Marco Ambrogio, et al. Data exchange and multi-layered architecture for a col- laborative design process in virtual environments [ J ]. In- ternational Journal on Interactive Design and Manufactur- ing, 2010,4(2) :137-148.