Warford, Stanley. <br/><br/>
Computer science / 
J. Stanley Warford. 
 - Toronto :  D. C. Heath and Co.,  1991. 
 - xxvi, 628 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0669249769 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.<br/>Electronic data processing.