Pujia Yu,                                                                    Hailiang Xu,                                                                    Shiwei Liu,                                                                    Xinfeng Zhao,                                                                    Qingqing Zhang,                                                                    Hongyan An,                                                                    Pengcheng Guo                                                            
                                                
                        Abstract  615 |
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                                388
                                                                                                                                        | DOI 
                            
                                https://doi.org/10.3846/16486897.2012.660882
                            
                                                                            
                                
                                Page 177-184
                            
                        
                                           
                                        
                                    
  

