Hopkirk, Peter. <br/><br/>
Trespassers on the roof of the world :  the race for Lhasa / 
Peter Hopkirk. 
 - Oxford :  Oxford University Press,  1982. 
 - x, 274 p., [18] p. of plates :  ill., maps. 
<br/><br/><label>ISBN: </label>0192851322 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Tibet (China)--History.