Berg, Ludwing  <br/><br/>
Etica social 

 - 1 ed. 
 - Madrid :   Rialp,   1964 
 - 311 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ética social
<br/><br/><label>Dewey Class. No.: </label>241.6200 B45e