Aivanhov, Omraam Mikhael <br/><br/>
Geometrischen Figuren und ihre Sprache 
 Geometric figures and their language 

 -  Prosveta Verlag  1989 
<br/><br/><label>ISBN: </label>285566411X 
<br/><br/><label>Dewey Class. No.: </label>302.2223  / AIV.G