00502nam a2200181 a 450000100080000000500110000800800410001910000160006024500740007626000630015030000160021352000100022965000160023965000160025565000260027165000130029765300100031011412152015-05-29       1979    bl uuuu      00u1 u    #d1 aTOUTAIN, G.  aÉléments d'agronomie sahariennebde la recherche au développement.  aParis: Institut National de la Recherche Agronomiquec1979  a276 p.cil.  aPlan.  aAgriculture  aAgricultura  aDesenvolvimento Rural  aPesquisa  aSaara