1
2
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Published 2008
4
Published 2005
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6
Published 2003
7
Published 2003
8
Published 2010
9
Published 2008
10
Published 2009
11
Published 2007
12
Published 2007
13
by Yamin, Ma
Published 2006
14
by Yamin, Ma
Published 2007
15
Published 2007
16
Published 2007
17
by Li, Shujuan
Published 2007
18
by Li, Shujuan
Published 2007
19
Published 2009
20
Published 2009