M. Stevens, A. Kellens, J. Brichau, and T. D'Hondt. BENEVOL 2007 - 6th BElgian-NEtherlands software eVOLution workshop (Namur, Belgium, December 13-14, 2007), (2007)
R. Gallant, and M. Lehman. Engineering of Computer Based Systems, 2008. ECBS 2008. 15th Annual IEEE International Conference and Workshop on the, page 473--482. (2008)