Strategies for the management of upland soils of humid and subhumid tropical Africa (IBSRAM/ Africaland) 
/ International Board for soil research and Management; eddy de Pauw 
. - Bangkok  : IBSRAM, 1994
. - II-263 p.  ; 24 cm. 
 - Network document  9 .
<br/><br/>Bibliogr 
<br/><br/><label>ISBN: </label>9742813614 
<br/><br/><label>Universal Decimal Class. No.: </label>551.432