000 00297nam a2200097Ia 4500
008 151015s9999 xx 000 0 und d
020 _a-
245 _aFertilizers and economics development
_bannual review of world production, consumption, trade and pries
300 _a205 1968p.
942 _cFAO
_2udc
999 _c24789
_d24789