Eckardt, F. E. <br/><br/>
Functioning of terrestrial ecosystems at the primary production level; proceedings of the Copenhagen Symposium 

 - (Paris) :  UNESCO,  1968 
 - 516 p.  : ilus. 
 - Natural resources research  ; 5 .
 - Natural resources research  ; 5 .
<br/><br/><label>LCCN: </label>10461 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología vegetal.<br/>Ecosistema.
<br/><br/><label>Dewey Class. No.: </label>581.5  / E2