Carrel, Alexis <br/><br/>
La incógnita del hombre 
Alexis Carrel. 
 - Mexico  Editores Mexicanos Unidos  1955 
 - 397 p.  19 cm. 
<br/><br/> Original title : Man the unknown.  Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Man