Spaargaren, O.   C. <br/><br/>
World reference base for soil resourses : draft  / 
by  O.   C. Spaargaren 
 - Rome  :  Wageningen,  1994 
 - 161 p. 
 - .
<br/><br/>  
<br/><br/><label>LCCN: </label>165772 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos--Análisis <br/>Suelos--Clasificación
<br/><br/><label>Dewey Class. No.: </label>631.4 S6