Avery, B.W. <br/><br/>
Soil survey laboratory methods 

 - Harpenden :  Rothamsted Experimental Station,  1974 
 - 83 p.  ; láms 
 - Technical monograph  ; 6 .
 - Technical monograph  ; 6 .
<br/><br/><label>LCCN: </label>22708 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Suelos--Análisis.<br/>Suelos--Manuales de laboratorio.