ZHAOLiqin. J. Journal of Beijing Normal University(Natural Science), 2012, 48(3): 231-234.
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Citation:
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ZHAOLiqin. J. Journal of Beijing Normal University(Natural Science), 2012, 48(3): 231-234.
|
ZHAOLiqin. J. Journal of Beijing Normal University(Natural Science), 2012, 48(3): 231-234.
|
Citation:
|
ZHAOLiqin. J. Journal of Beijing Normal University(Natural Science), 2012, 48(3): 231-234.
|