La pression au Congo Belge. 

 - Bruxelles :    Academie Royale des Sciences Coloniales,    1955- 
 - v. :    ill. ;    25 cm. 
 - v. 2, no. 2 (1955)- 
<br/><br/>  Latest issue consulted Vol. 2, no. 2 (1955) 
<br/><br/><label>Dewey Class. No.: </label>S PER 606.1493 A 3