Richards, Bryant N. <br/><br/>
Introduction to the soil ecosystem / 
B. N. Richards. 
 - Harlow [Eng.] ;  New York :  Longman,  1974. 
 - x, 266 p. :  ill. ;  22 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0582441307 :  £2.95 ($8.75 U.S.) 
<br/><br/><label>LCCN: </label>73085688  
<br/><br/><label>Nat. Bib. No.: </label>GB*** 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil ecology.
<br/><br/><label>LC Class. No.: </label>QH541.5.S6  / R52 
<br/><br/><label>Dewey Class. No.: </label>574.5/26