F. Lemmerich, and M. Atzmueller. Proc. IEEE Third International Conference on Social Computing (SocialCom), page 1356--1363. Boston, MA, USA, IEEE Computer Society, (2011)
J. Llinas, C. Bowman, G. Rogova, A. Steinberg, and F. White. In P. Svensson and J. Schubert (Eds.), Proceedings of the Seventh International Conference on Information Fusion (FUSION 2004, page 1218--1230. (2004)
S. Rouwhorst, and A. Engelbrecht. Proceedings of the 2000 Congress on Evolutionary
Computation CEC00, 1, page 633--638. La Jolla Marriott Hotel La Jolla, California, USA, IEEE Press, (6-9 July 2000)