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XXII ISPRS Congress, 25 August — 01 September 2012, Melbourne, Aust 
  
    
    
     
    
   
   
  
  
  
  
     
  
  
  
  
  
  
  
    
   
  
  
  
  
  
  
  
  
  
   
  
  
  
  
  
  
  
   
   
   
    
   
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