Holton D A <br/><br/>
Petersen graph. 
Holton D A; Sheehan J 
 -  1993 
<br/><br/><label>Standard No.: </label>19829 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B44, N3