Hahn,Marjorie G. <br/><br/>
Sums, Trimmed Sums and Extremes 
/ by Marjorie G. Hahn 
 - USA  Birkhauser Boston. Basel.Berlin  1991 
 - X.416p 
<br/><br/><label>ISBN: </label>0817635424  3764335424 
<br/><br/><label>Dewey Class. No.: </label>515.243  / HAH/S