Price W L <br/><br/>
Graphs and networks 

 - London  Butter Worths          1971 
 - 108p.  cm. 
<br/><br/><label>Standard No.: </label>21212 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2893, L13