Pottmann, Helmut. <br/><br/>
Architectural geometry / 
Helmut Pottmann, Andreas Asperl, Michael Hofer ; [edited by] Daril Bentley. 
 - 1st ed. 
 - Exton, PA :  Bentley Institute Press,  2007. 
 - 724 p. :  ill. ;  28cm. 
<br/><br/><label>ISBN: </label>9781934493045 
<br/><br/><label>LCCN: </label>2007935192 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Architectural design<br/>Geometry in architecture<br/>Architecture--Composition, proportion, etc.
<br/><br/><label>Dewey Class. No.: </label>720.1