000			00454nam a22001937a 4500
015			_a1638
041			_a1
080			_a631.8 _bHOP
100			_aHopkins, D.P,
245			_aChemicals, Humus, and the Soil
260			_a Chemical Publishing Co., Inc _bN.Y. _c1948
300			_a358p.
650			_aAgriculture
852			_a4L5-3
999			_c4220 _d4220