Toulmin, Stephen Edelston <br/><br/>
Human understanding  the collective use and evolution of concepts /  [Texte imprimé] : 
Stephen Toulmin 
 - Princeton:  Princeton University Press,  1977 
<br/><br/><label>ISBN: </label>0-691-07185-3 
<br/><br/><label>Dewey Class. No.: </label>121.4  160