Colin Campbell. <br/><br/>
Parallel / 
Colin Campbell. 
 - Cambridge :  Cambridge University Press,  2006. 
 - 32 ;  20 cm. 
<br/><br/> plus 1 audio CD. 
<br/><br/><label>ISBN: </label>9780521686136 
<br/><br/><label>Dewey Class. No.: </label>428.64  CAM/O