Perry, G. A. <br/><br/>
The Investigator`s book of soils /    
G.   A.  Perry 
 - London :   Blandford ,   1965 
 - 104 p.:    ill., (part .col.),maps ;    22 cm. 
 - Blandford Rural Studies Series    1   .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil science--------
<br/><br/><label>Dewey Class. No.: </label>631.43