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Clarke, D.B.; Perry, N.B.; Weavers, R.T., Foliage Oil Terpenes of Prumnopitys ferruginea (D. Don) Laubenf. Variation in Acorenone Levels, J. Essnt. Oil Res., 1994, 6, 6, 549-554, https://doi.org/10.1080/10412905.1994.9699344 . [all data]