Duvigneaud, P. <br/><br/>
Productivity of forest ecosystems; proceedings of the Brussssels symposium... 

 - Paris :  Unesco,  1971 
 - 707 p.  : ilus. ; mapas 
 - Ecology and conservation  ; 4 .
 - Ecology and conservation  ; 4 .
<br/><br/><label>LCCN: </label>23605 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología forestal.
<br/><br/><label>Dewey Class. No.: </label>634.94  / D8