Leonard, Reid H. “Levulinic Acid As a Basic Chemical Raw Material”. Industrial &Amp; Engineering Chemistry, vol. 48, no. 8, 1956, pp. 1330-41, https://doi.org/10.1021/ie50560a033.
Leonard, R. H. (1956). Levulinic Acid as a Basic Chemical Raw Material. Industrial &Amp; Engineering Chemistry, 48(8), 1330-1341. https://doi.org/10.1021/ie50560a033
Leonard RH. Levulinic Acid as a Basic Chemical Raw Material. Industrial & Engineering Chemistry. 1956;48(8):1330-41.