DINGYinjun WUZhongke. J. Journal of Beijing Normal University(Natural Science), 2013, 50(6): 582-585.
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Citation:
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DINGYinjun WUZhongke. J. Journal of Beijing Normal University(Natural Science), 2013, 50(6): 582-585.
|
DINGYinjun WUZhongke. J. Journal of Beijing Normal University(Natural Science), 2013, 50(6): 582-585.
|
Citation:
|
DINGYinjun WUZhongke. J. Journal of Beijing Normal University(Natural Science), 2013, 50(6): 582-585.
|