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Lawther, J.M.; Sun, R.; Banks, W.B., Fractional chracterization of wheat straw lignin components by alkaline nitrobenzene oxidation and FT-IR spectroscopy, J. Agric. Food Chem., 1996, 44, 5, 1241-1247, https://doi.org/10.1021/jf9502764 . [all data]