000 00369nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aWorld Bank.
245 _aRenewable resource management in agriculture
260 _c1989
_bWorld Bank
_aWashington DC
366 _b1989
650 _aAgriculture
942 _cBK
999 _c72696
_d72696