ＺＨＡＯＪｉｎｙａｎ ＷＡＮＧＪｉｎｓｈｅｎｇ ＺＨＥＮＧＪｉ. J. Journal of Beijing Normal University(Natural Science), 2012, 48(3): 287-291.
Citation: ＺＨＡＯＪｉｎｙａｎ ＷＡＮＧＪｉｎｓｈｅｎｇ ＺＨＥＮＧＪｉ. J. Journal of Beijing Normal University(Natural Science), 2012, 48(3): 287-291.
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