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周阳,刘云山,褚立志,段平光,邓泽超,庞学霞,王英龙
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ZHOU Yang,LIU Yun-shan,CHU Li-zhi,DUAN Ping-guang,DENG Ze-chao,PANG Xue-xia,WANG Ying-long
河北大学学报(自然科学版) . 2007, (2): 139 -142 .  DOI: 10.3969/j.issn.1000-1565.2007.02.010