Katzan, Harry <br/><br/>
Operating systems:  

 - New York:   Van Nostrand Reinhold Company,  1973 
 - ix, 387p. 
 - Computer science series .
<br/><br/><label>ISBN: </label>0-442-24253-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security 
<br/><br/><label>Subjects--Index Terms: </label>Operating systems 
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.3.004.2  / L3