000 | 00427nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 100324s9999 xx 000 0 und d | ||
100 | _aDonovan G; Casey F | ||
245 | _aSoil Fertility Management Sub-Saharan Africa | ||
260 |
_c1998 _bWorld Bank _aWashington DC |
||
300 | _avii, 60p. | ||
366 | _b1998 | ||
650 | _aAgricultural Economics | ||
942 | _cBK | ||
999 |
_c80945 _d80945 |