Robinson, Gilbert Wooding. <br/><br/>
Soils ; their origin, constitution and classification ; an introduction to pedology 

 - 3 ed. 
 - London :  Murby,  1949 
 - 573 p.  : ilus. 
<br/><br/><label>LCCN: </label>49438 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos.
<br/><br/><label>Dewey Class. No.: </label>631.4  / R62 1949