R. Stewart, and P. Rosin. Proceedings of the Genetic and Evolutionary
Computation Conference, 1, page 811. Orlando, Florida, USA, Morgan Kaufmann, (13-17 July 1999)
T. Reidemeister, M. Munawar, and P. Ward. Proceedings of the of the Fourth International Workshop on Engineering Autonomic Software Systems, CASCON, (2007)