Saaty T.L <br/><br/>
Elements of Queueing with applications 

 -  1961 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>22092 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2893Q, K1;11