000 00313nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _a631 8 GEU
100 _aGeus DE J.G.
245 0 _aFertilizer Guide for Tropical and subtropical Farming.
260 _aZurich
_b Centre d'Etude de I'Azote
_c1967
942 _cANF
999 _c309425
_d309425