Ashman, M. R. <br/><br/>
Essential soil science :  a clear and concise introduction to soil science / 
M.R. Ashman and G. Puri. 
 - Oxford ;  Malden, MA :  Blackwell Science,  c2002. 
 - vi, 198 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [186]-190). 
<br/><br/><label>ISBN: </label>0632048859 (pb. : alk. paper) 
<br/><br/><label>LCCN: </label>2001043210 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science.
<br/><br/><label>LC Class. No.: </label>S591  / .A84 2002 
<br/><br/><label>Dewey Class. No.: </label>631.4  / ASH 2002