Ralph, J., Hatfield, R. D., Piquemal, J., Yahiaoui, N., Pean, M., Lapierre, C., & Boudet, A. M. (1998). NMR characterization of altered lignins extracted from tobacco plants down-regulated for lignification enzymes cinnamylalcohol dehydrogenase and cinnamoyl-CoA reductase. The National Academy of Sciences.

Ralph, John, Ronald D. Hatfield, Joël Piquemal, Nabila Yahiaoui, Michel Pean, Catherine Lapierre, and Alain M. Boudet. NMR Characterization of Altered Lignins Extracted From Tobacco Plants Down-regulated for Lignification Enzymes Cinnamylalcohol Dehydrogenase and Cinnamoyl-CoA Reductase. The National Academy of Sciences, 1998.

Ralph, John, et al. NMR Characterization of Altered Lignins Extracted From Tobacco Plants Down-regulated for Lignification Enzymes Cinnamylalcohol Dehydrogenase and Cinnamoyl-CoA Reductase. The National Academy of Sciences, 1998.