LIU Gaini1) WANG Huixiao1) LU Yuantang2) ZHUJianhuaLIU Gaini WANG Huixiao LU Yuantang ZHUJianhua. [J]. Journal of Beijing Normal University(Natural Science), 2012, 48(6): 665-668.
Citation: LIU Gaini1) WANG Huixiao1) LU Yuantang2) ZHUJianhuaLIU Gaini WANG Huixiao LU Yuantang ZHUJianhua. [J]. Journal of Beijing Normal University(Natural Science), 2012, 48(6): 665-668.
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