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ATWATER WO, 1906, USDA OFFICE EXP STA, V28, P87
[2]
ATWATER WO, 1895, USDA OFFICE EXP STA, V21, P222
[3]
ATWATER WO, 1896, USDA OFFICE EXP STA, V28, P47
[4]
BAESSLER, 1890, WOCHENSCHR POMMERSCH, P48
[5]
BAESSLER, 1890, CENTRALBL AGR CHEM, V19, P494
[6]
BRYAN AH, 1911, USDA BUREAU CHEM CIR, V71, P14
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BUSOLT E, 1916, J LANDW, V64, P357
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DIETRICH T, 1860, LANDW ANZEIGER KURHE, V6, P37
[9]
FALK KG, 1919, J IND ENG CHEM, V11, P1133
[10]
JENKINS EH, 1892, USDA OFFICE EXP STA, V11, P155