Rouani, Mohamed, et al. “Comparative Study of Reactivity of (-)-R-Carvone, (-)-R-Linalool and (-)-(1S,4S)-Camphor Derivatives: Synthesis of New Heterocycles”. European Journal of Chemistry, vol. 5, no. 3, Sept. 2014, pp. 383-7, doi:10.5155/eurjchem.5.3.383-387.1029.