P. Chen. Software Pioneers Contributions to Software
Engineering, page 296--310. Berlin, Springer, (2002)http://csc.lsu.edu/~chen/pdf/Chen_Pioneers.pdf
-- last visited $12^th$ December 2007.
{. Dessus, {. Shea, and {. Shi. Development Centre studies Development Centre of the Organisation for Economic Co-operation and Development, Paris, (1995)