Hansen, Per Brinch  . <br/><br/>
Operating system principles /  
by Per Brinch Hansen. 
 - New Delhi :   Prentice Hall ,   1973. 
 - 366p. :   ills ;   22cm .  
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0876921357  Rs. 50.00 
<br/><br/><label>Subjects--Index Terms: </label>OPERATING SYSTEM 
<br/><br/><label>Dewey Class. No.: </label>005.43  / HAN/O