Ashman , M.R. . <br/><br/>
Essential Soil Science: A Clear and Concise introduction to Soil Science /  Textual Documents 
M.R.Ashman & G.Puri. 
 - 1st ed. / 
 - Sl :  Blackwell Publishers Ltd ,  2001. 
 - 198p. ;  22cm. 
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0-632-04885-9 
<br/><br/><label>Subjects--Index Terms: </label>Soil Science Deptt.-Geology 
<br/><br/><label>Dewey Class. No.: </label>631.4  / As 36 Es