Thanh, B.V. and Binh, N.Q. 2015. Constituents of essential oil from the zhizomes of Siliquamomum tonkinense Baill. collected in Tam Dao national park , Vinh Phuc province. Academia Journal of Biology. 36, 3 (Mar. 2015), 336–339. DOI:https://doi.org/10.15625/0866-7160/v36n3.5973.