G. Wilson, and M. Heywood. IEEE CCECE 2002: IEEE Canadian Conference on
Electrical and Computer Engineering, 2, page 809--814. IEEE Press, (12-15 May 2002)
G. Khan, J. Miller, and D. Halliday. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 1, page 269--276. London, ACM Press, (7-11 July 2007)
C. Burgess, and M. Lefley. Machine Learning Applications In Software Engineering:
Series on Software Engineering and Knowledge
Engineering, 16, World Scientific Publishing Co., (May 2005)