Jorgernson, D W. <br/><br/>
Optimal replacement policy 

 - London  North- Holland   1967 
 - xii, 225p.   ill, 23cm. 
<br/><br/> Include bibliography, index 
<br/><br/><label>ISBN: </label>0720433088 
<br/><br/><label>Dewey Class. No.: </label>338.06 JOH