Wetherill, G. Barrie <br/><br/>
Sequential methods in statistics 

 - 2nd ed 
 - LoNew Delhion  Chapman and Hall  1985 
 - x,232p, 23cm 
 - Monographs on applied probability and statistics .
<br/><br/><label>ISBN: </label>0412218100 
<br/><br/><label>Dewey Class. No.: </label>519.54,  / D, et