Buol S. W. <br/><br/>
Soil Genesis And Classification / S. W. Buol F. D. Hole R. J. Mccracken. 

 - R. J. 
 -  2Nd. Ed. 
 - AMES : IOWA STATE UNIVERSITY PRESS 1980. 
 -  523 P. 23 CM. .
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>081381460X