Powers of two :  finding the essence of innovation in creative pairs / 

, 
 - Boston :  Eamon Dolan,  2014. 
 - xxv, 339 pages : illustrations ; 24cm xxv, 339 pages : illustrations ; 24cm 
<br/><br/><label>ISBN: </label>9781506264400 
<br/><br/><label>Dewey Class. No.: </label>REF 153.35 Sh45