MICHEL, LEOPOLD <br/><br/>
ESTUDES ET NOTES DE GEOLOGIE APPLIQUEE 

 - S.E. 
 - Francia  LIBRAIRIE POLYTECHNIQUE CH.  1950 PARIS 
 - 701 
<br/><br/><label>LCCN: </label>12321 
<br/><br/><label>Dewey Class. No.: </label>550