000 00267nam a2200097Ia 4500
100 _aNorman D W
245 _aFarm & Village Production Systems in Semi-arid Tropics in West Africa
260 _bI C R I S A T, India
082 _aJ.6/N81/B15633
300 _app 94; 24*18
999 _c23439
_d23439