000 00272nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aFAO ; UN ROME
245 0 _aCrop Production levels and fertilizer us
260 _cNIL
365 _b0
650 _aNIL
942 _cBK
999 _c88916
_d88916