Journal of Systems Science and Complexity
Journal of Systems Science and Complexity > 2011 > 24 > 4 > 647-662
Journal of Systems Science and Complexity > 2011 > 24 > 4 > 683-700
Journal of Systems Science and Complexity > 2011 > 24 > 4 > 647-662
Journal of Systems Science and Complexity > 2011 > 24 > 4 > 683-700