Siderius, Woutberus <br/><br/>
Soil transitions in central east Botswana (Africa) 

 -  Aerial Survey and Earth Sciences  1973 
 - 260p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil surveys
<br/><br/><label>LC Class. No.: </label>FOS S599.S5