Davidson, Catherine,  <br/><br/>
The directory of signs & signals 

 - 208 pages :   colour illustrations ;   21 cm 
<br/><br/><label>ISBN: </label>1840137142 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication.
<br/><br/><label>Dewey Class. No.: </label>302.23