Seal Hilary <br/><br/>
Survival probabilities : The goal of risk theory 

 -  1978 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>25734 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B281, L8;2