Tsichritzis, Dionysios C. <br/><br/>
Operating systems / 
by Dionysios C. Tsichritzis, Philip A. Bernstein. 
 - New York, N.Y. :  Academic Press,  1974. 
 - xviii, 298 p. 
<br/><br/><label>ISBN: </label>012701750X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science.<br/>Electronic digital computers.