Frost Percival <br/><br/>
Elementary treatise on curve tracing 
Frost Percival; Bell J T 
 -  1960 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>24814 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Curves-Algebraic
<br/><br/><label>Dewey Class. No.: </label>B627, K0