Yun, Qiao <br/><br/>
Defense structures : the Great Wall stretching over the vast land /   eng. 
Yun, Qiao. 
 - China:   China Architecture & Building Press ,   2012. 
 - 199 p. :   col. ill. ;   21 cm. 
<br/><br/><label>ISBN: </label>9787112146147 
<br/><br/><label>Dewey Class. No.: </label>954  / YUN