Sigmond, Alexius A.J. de <br/><br/>
The principles of soil science 

 - London  Thomas Murby and Co.  1938 
 - 362 p.  ilus., maps. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDAFOLOGIA<br/>SUELOS
<br/><br/><label>Universal Decimal Class. No.: </label>631.4/S54