Feuerstein,  Gunther  <br/><br/>
Open Space:  Transparency Freedom Dematerialisation / 
Gunther Feuerstein  
 - London:  Axel Menge;  2013 
 - 239p.  [hb] 
<br/><br/><label>ISBN: </label>9783936681550 
<br/><br/><label>Dewey Class. No.: </label>721  / FEU-O