Pohl, Ira <br/><br/>
The nature of computation :  an introduction to computer science / 
Ira Pohl and Alan Shaw 
 - London :  Pitman Pub.,  1981 
 - 397 p. ;  24 cm. 
 - Computer software engineering series .
<br/><br/> Includes index 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0914894129  16.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing