Eckardt F E Ed. <br/><br/>
Proceeding on the functioning of terrestrial ecosystems at the primary production level 
Eckardt F E Ed. 
 - Belgium  UNESCO           1968 
 - 516p.  cm. 
 - Natural resources research .
<br/><br/><label>Standard No.: </label>53102 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>I:5p1,N65, K8;1