Hellerman, Herbert, ; Conroy, Thomas F. <br/><br/>
Computer system performance 

 - New Delhi  McGraw Hill  1975 
 - 380 
<br/><br/><label>ISBN: </label>07-085307-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>001.64044 HEL