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S. H Yu, Y. B. Chun, W. Q. Cao, M. H. Kim, S. W., 
                                    
                
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Kee-Do Woo, Sug-Won Kim, 
                                    
                
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Cannon, RE, 556.23-C226l
                                    
                
                             | American Society for Testing and Materials | 
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                        55
                    
                    
                    
                
            
            
                
                
Ballinger, D G, 539.93-B192w
                                    
                
                             | American Society for Testing and Materials | 
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                        56
                    
                    
                    
                
            
            
                
                
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Glodowski, RJ, 532.48-G562t
                                    
                
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                        59
                    
                    
                    
                
            
            
                
                
ASTM special technical, 426.7-A855e
                                    
                
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