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Smelcerovic, A.; Spiteller, M.; Ligon, A.P.; Smelcerovic, Z.; Raabe, N., Essential oil composition of Hypericum L. species from Southeastern Serbia and their chemotaxonomy, Biochem. Syst. Ecol., 2007, 35, 2, 99-113, https://doi.org/10.1016/j.bse.2006.09.012 . [all data]