Van Dobben, W. H. <br/><br/>
Unifying concepts in ecology 

 - Wageningen :  Centre for Agricultural Publishing and Documentation,  1975 
 - 302 p.  : ilus. ; gráfs. 
<br/><br/><label>LCCN: </label>47426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecología.<br/>Ecosistema.
<br/><br/><label>Dewey Class. No.: </label>581.5  / V35