Gustafson, Axel Ferdinand. <br/><br/>
Soils and soil management 

 - New York :  McGraw-Hill,  1941 
 - 424 p.  : ilus 
<br/><br/><label>LCCN: </label>16191 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizantes y abonos.<br/>Suelos.
<br/><br/><label>Dewey Class. No.: </label>631.4  / G88