Journal of Systems Science and Complexity
Journal of Systems Science and Complexity > 2009 > 22 > 4 > 749-776
Journal of Systems Science and Complexity > 2011 > 24 > 5 > 875-882
Journal of Systems Science and Complexity > 2014 > 27 > 5 > 836-852
Journal of Systems Science and Complexity > 2016 > 29 > 3 > 657-680