Ritter, Bob <br/><br/>
Soil and plant ecology  
Bob Ritter 
 - Toronto:  International Thomson Publishing,  1997. 
 - 48p.;  ill., 
 - Nelson Science  .
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9780176057794 017605779x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil and plant ecology
<br/><br/><label>Dewey Class. No.: </label>574.5