 
            
            
            
            
                4 Apr
                
                    2007
                
            
            
                4 Apr
                
                '07
                
            
            
            
        
    
                9:54 a.m.
            
        See noise-density for an example of a unit in use that has a fractional exponent : http://swiss.csail.mit.edu/~jaffer/MIXF
Thank you for the pointer, I will have to think about that... Yours, Martin.