João da Rocha Lima Jr.,                                                                    Claudio Tavares de Alencar                                                            
                                                
                        Abstract  811 |
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                                                                                                                                        | DOI 
                            
                                https://doi.org/10.3846/1648-715X.2008.12.109-123
                            
                                                                            
                                
                                Page 109-123
                            
                        
                                                    
                                2010-10-18
                            
                                            
                                         
                                     
  

