000 00427nam a2200157Ia 4500
008 130223s9999 xx 000 0 und d
080 _a634.999(071.7)
100 _aBarrow, E.G.C.
245 _aEvaluating the effectiveness of participatory agroforestry extension programmes
260 _aNairobi
260 _c1991
300 _a21 p.
440 _aNo. 84; International Council
901 _pS41886
942 _cB
_2udc
999 _c121684
_d121684