Walther, Hansjoachim <br/><br/>
Graphen-Algorithmen-Programme/ 
Hansjoachim Walther. 
 - Wien;  New York:  Springer-Verlag,  1987. 
 - 192 p. 
<br/><br/><label>ISBN: </label>3211819223 
<br/><br/><label>Dewey Class. No.: </label>511.5  / W237g