Buchsbaum, Ralph Morris,   1907- <br/><br/>
Basic ecology /  
by Ralph Buchsbaum and Mildred Buchsbaum. 
 - Pittsburgh :   Boxwood Press,   c1957. 
 - ix, 195 p. :   il. 
<br/><br/><label>LCCN: </label>57028684  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecologia.
<br/><br/><label>Dewey Class. No.: </label>574.5