Livestock and sustrainable nutrient cycling in mired farming systems of subsaharan Africa  : Coference summary 
/ procedings of an international conference international livestock centre for Africa (ILCA) Addis Ababa, Ethiopia 22-26 Novembre 1993 
. - Addis ababa  : ILCA, 1995
. - VII-50 p.  ; 26 cm. 
<br/><br/><label>ISBN: </label>9290532912 
<br/><br/><label>Universal Decimal Class. No.: </label>636