3I. Faraj et al., An industry foundation classes Web-based collaborative construction computer environment : WISPER [Z].Automation in Construction, 2000,10(1):79 - 99.
4Z.M. Deng a, H. Li b, C.M. Tam a, Q.P. Shen b, P.E.D. Love c . An application of the Intemet-based project management system[Z]. Automation in Construction, 2001,10 : 239 -24.
