Richards, B.N. <br/><br/>
Introduction to the soil ecosystem 
<label>/ by </label> Richards, B.N. 
 - London  Longman  1974 
 - x, 266p.  ill.  22 cm. 
<br/><br/><label>ISBN: </label>0582441307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil ecology
<br/><br/><label>Dewey Class. No.: </label>574.52  / RIC