000 00334nam a2200121Ia 4500
001 MPKV056794
008 120911s9999 xx 000 0 und d
082 _a631.8
245 _aAmerican Fertilizer Vol 51
_c;
246 _aAmerican Fertilizer Vol 51
260 _aPhiladelphia
_bUnited State Patent Office
_c1919
650 _aFertilizers
999 _c54788
_d54788