Soil genesis and classification / 
by S.W. Buol ... [et al.]. 
 - 5th ed. 
 - Ames :  Iowa State University Press,  c1997 [1st Indian Reprint 2003].  
 - xvi, 494 p. :  ill. ;  24 m. 
<br/><br/>Includes bibliographical references  and index. 
<br/><br/><label>ISBN: </label>1405120827 9781405120821 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science.<br/>Soil formation.<br/>Soils--Classification.
<br/><br/><label>Dewey Class. No.: </label>631.4  / BUS