Wallis, W. D., <br/><br/>
A beginner's guide to discrete mathematics / 
W. D. Wallis 
 - Second Edition 
 - xiii, 427 pages :  illustrations ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780817682859 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Textbooks<br/>Computer science--Mathematics--Textbooks