Titelangaben
    
    Christmann, Andreas:
On group sequential tests based on robust location and scale estimators in the two-sample problem.
  
   
    
    In: Computational Statistics.
      
      Bd. 14
      
      (1999)
       Heft  3
    .
     - S. 339-353.
    
    
ISSN 0943-4062
    
    
      
DOI: https://doi.org/10.1007/s001800050020
    
    
    
     
  
  
 
        
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