1. HyCon: virtual prototyping in hybrid concrete construction frame design Zhang, X., Goulding, J.S., Sexton, M.G., Aouad, G., and Kagioglou, M. Construction Innovation, 2006, Vol. 6, Issue 1, pp. 47-60. Full text View/download PDF
2. Scaling up output capacity and performance results from information systems prototypes Westland, J. Christopher ACM Transactions on Database Systems. Sept, 1990, Vol. 15, Issue 3, p341, 18 p. Full text View on content provider's site