Barsky, brain A <br/><br/>
Computer graphics and geometric modeling using beta-splines : with 85 figures,including 31 in colour 

 - Springer-Verlag, Berlin  c1988 
 - x,158p 
<br/><br/><label>ISBN: </label>3-540-70006-4 
<br/><br/><label>Dewey Class. No.: </label>511.422 Bar