Whittaker, Robert Harding,   1920- <br/><br/>
Communities and ecosystems /  
Robert H. Whittaker. 
 - [New York] :   Macmillan,   [1970] 
 - xi, 158 p. :   il., mapas. 
 - Current concepts in biology series .
<br/><br/><label>LCCN: </label>73077492  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecologia.
<br/><br/><label>Dewey Class. No.: </label>574.5