Hanai, K., Kuwae, A., Kunimoto, K.-K., & Kitoh, S.-I. (2014). Vibrational spectra and normal coordinate analysis of lithium pyruvate monohydrate and its isotopic compounds. European Journal of Chemistry, 5(2), 305–310. https://doi.org/10.5155/eurjchem.5.2.305-310.1004