Hagen, H ed. <br/><br/>
Geometric modelling; methods and applications   
ed by H Hagen and D Roller 
 - Berlin  SV  1991 
 - vi, 286p. 
 - Computer Graphics - Systems and Applications .
<br/><br/><label>ISBN: </label>3540536442 
<br/><br/><label>Dewey Class. No.: </label>006.6  / N915 (CPDM)