Trudeau, Richard J. <br/><br/>
Introduction to Graph Theory/ 
by Richard J. Trudeau. 
 - 1st. 
 - New York  Dover Publications Inc  1976 
 - 209p.  includes index;  21 cm. 
<br/><br/> 2022 
<br/><br/><label>ISBN: </label>9780486678702