Christiansson, Carl. <br/><br/>
The hand of man :   soil conservation in Kondoa eroded area, Tanzan ia / 
Carl Christiansson, Alfred C. Mbegu and Anders Yrgard. 
 - Nairobi :   Regional Soil Conservation Unit, RSCU,   1993. 
 - viii., 55p. :   ill., some col., photos. ;   30 cm. 
 - Regional soil conservation unit ;   no. 12 .
<br/><br/>Includes bibliographical references (p. 53-55) 
<br/><br/><label>ISBN: </label>996689618x 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Soil conservation-- Africa<br/> Soil erosion<br/> Nature-- Effect of human beings on-- Tanzania-- Kondoa District.
<br/><br/><label>Dewey Class. No.: </label>631.45