Productivity of forest ecosystems / 
edited by P. Duvigneaud. 
 - Paris :  UNESCO,  c 1971. 
 - 707 p. :  ill. ;  28 cm. 
 - Ecology and conservation ;  4. .
<br/><br/>337  337 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Forest ecology.<br/>Biological productivity.
<br/><br/><label>Dewey Class. No.: </label>634.94 / U3p