| Lawrence, B.M. 1998. Progress in essential oils. Pennyroyal oil, wild thyme oil, kewda or keora oil, and citronella oil. Perfum. Flavor. 23(3):63-82. |
| |
| Oszagyan, M., Simandi, B., Sawinsky, J., and Kery, A. 1996. A comparison between the oil and supercritical carbon dioxide extract of Hungarian wild thyme (Thymus serpyllum L.). J. Essent. Oil Res. 8(3):333-335. |
| |
| Sattar, A., Malik, M.S., and Khan, S.A. 1991. Essential oils of the species of Labiatae Part IV. Composition of the essential oil of Thymus serpyllum. Pak. J. Sci. Ind. Res. 34(4):119-120. |
| |
| Vernin, G., Ghiglione, C., and Parkanyi, C. 1994. GC-MS-SPECMA bank analysis of Thymus serpyllum (Opiz) Wollm. (wild thyme) from Hautes AIpes (France). In: Spices, Herbs and Edible fungi, eds. Charalambous, G. Elsevier, Amsterdam, Netherland. 34:501-515. |
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