Kingman, J. F. C. <br/><br/>
On the algebra of queues   

 - London  Methuen  1966 
 - 44p. 
 - Supplementary review series in Applied probability   6 .
<br/><br/> "Methuen's monographs on Applied probability and Statistics"   
<br/><br/><label>Dewey Class. No.: </label>519.82  / K54.OA