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K. H. C.  Baser, O?zek, T., Ku?rkcu?oglu, M., Tu?men, G., and Yildiz, B., ?Composition of the essential oils of thymus eucostomus hausskn. et velen var. gypsaceus jalas and Thymus pubescens boiss. et kotschy ex celak var. cratericola jalas?, Journal of Essential Oil Research, vol. 11, no. 6, pp. 776 - 778, 1999.

K. H. C.  Baser, Ku?rkc?u?oglu, M., Ermin, N., Tu?men, G., and Malyer, H., ?Composition of the essential oil of Thymus pseudopulegioides klokov et des.-shost from Turkey?, Journal of Essential Oil Research, vol. 11, no. 1, pp. 86 - 88, 1999.

K. H. C.  Baser, Ku?rkc?u?oglu, M., and Tu?men, G., ?Essential oils of Thymus striatus Vahl var. interruptus Jalas from Turkey?, Journal of Essential Oil Research, vol. 11, no. 2, pp. 253 - 256, 1999.

A.  Akgul, Ozcan, M., Chialva, F., Monguzzi, F., Akgu?l, A., and O?zean, M., ?Analysis/Composition - Essential Oils of Four Turkish Wild-Growing Labiatae Herbs: Salvia cryptantha Montbr et Auch, Satureja cuneifolia Ten, Thymbra spicata L and Thymus cilicicus Boiss et Bal?, Journal of essential oil research, vol. 11, no. 2, pp. 209 - 214, 1999.