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Academic Journal
Authors: LI Feng, SU Xiao-Hong, MA Pei-Jun
Superior Title: Journal of Harbin Institute of Technology. Social Sciences Edition / Haerbin Gongye Daxue Xuebao. Shehui Kexue Ban; 2009, Vol. 41 Issue 8, p60-64, 5p, 7 Diagrams, 2 Charts, 1 Graph