引入外界干扰的改进3 - zone粒子模型及其突现行为*
 王贤,吴渝**,耿文静
 An improved 3-zone model of particles with external interference
and its emergent behavior
 Wang Xian ,Wu Yu,Geng Wen一Jing
南京大学学报(自然科学版) . 2013, (2): 278 -284 .