column
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2012(2): 127-132.
DOI: 10.3724/SP.J.1141.2012.02127
2012(2): 144-150.
DOI: 10.3724/SP.J.1141.2012.02144
2012(2): 158-164.
DOI: 10.3724/SP.J.1141.2012.02158
2012(2): 165-169.
DOI: 10.3724/SP.J.1141.2012.02165
2012(2): 177-181.
DOI: 10.3724/SP.J.1141.2012.02177
2012(2): 182-186.
DOI: 10.3724/SP.J.1141.2012.02182