World forestry congress <br/><br/>
Proceedings of the Sixth World Forestry Congress 
edited by Javier Prats Llaurado 
 - Madrid:  The Proceeding Editorial Committee,  1966. 
 - 3v.4117p. :ill.; 29cm. 
<br/><br/><label>Dewey Class. No.: </label>574.5264  / W.F.C