SunJun Liu Tao Li Diangang Wang Kui Zhao Xun Gong Xiaoqin Hu Chun Xu Gang Liang Immune Multi-agent Active Defense Model for Network Intrusion. 104-111 2006 conf/seal/2006 SEAL http://dx.doi.org/10.1007/11903697_14 db/conf/seal/seal2006.html#LiuLWZGHXL06