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Rout, P.K.; Sahoo, D.; Jena, K.S.; Rao, Y.R., Analysis of the oil of large cardamom (Amomum subulatum Roxb.) growing in Sikkim, J. Essent. Oil Res., 2003, 15, 4, 265-266, https://doi.org/10.1080/10412905.2003.9712138 . [all data]