Jurica, K., I. Brčić Karačonji, S. Šegan, D. Milojković Opsenica, and D. Kremer. “Quantitative Analysis of Arbutin and Hydroquinone in Strawberry Tree (Arbutus Unedo L., Ericaceae) Leaves by Gas Chromatography-Mass Spectrometry”. Archives of Industrial Hygiene and Toxicology, Vol. 66, no. 3, Sept. 2015, doi:10.1515/aiht-2015-66-2696.