Attia, M., Kim, S.U. and Ro, D.K. (2012). „Molecular cloning and characterization of (+)-epi-α-bisabolol synthase, catalyzing the first step in the biosynthesis of the natural sweetener, hernandulcin, in Lippia dulcis”. Arch. Biochem. Biophys.527: 37-44. PMID22867794.