Schaffer, Cullen,  1960- <br/><br/>
Principles of computer science / 
Cullen Schaffer. 
 - Englewood Cliffs, N.J. :  Prentice Hall,  c1988. 
 - xvii, 413 p.  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>013709759X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science.