Eberlin, PH <br/><br/>
Signes protecteurs,Protective signs,Signos protectores 

 - Geneve  Edite Parle Comite International  1983 
 - 73 p.  Col.ill 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Non Verbal Communication<br/>Symbols
<br/><br/><label>Dewey Class. No.: </label>302.222  / S33