J. A.  Wilson and Isman, M. B., ?Influence of essential oils on toxicity and pharmacokinetics of the plant toxin thymol in the larvae of Trichoplusia ni?, in Canadian Entomologist, vol. 138; 138, no. 4; 4, 2006, pp. 578 - 589.

T.  Dob, Dahmane, D., Benabdelkader, T., and Chelghoum, C., ?Composition and Antimicrobial Activity of the Essential Oil of Thymus fontanesii?, in Pharmaceutical Biology, vol. 44, no. 8, 2006, pp. 607 - 612.

B.  Bozin, Mimica-Dukic, N., Simin, N., and Anackov, G., ?Characterization of the Volatile Composition of Essential Oils of Some Lamiaceae Spices and the Antimicrobial and Antioxidant Activities of the Entire Oils?, in Journal of Agricultural and Food Chemistry, vol. 54; 54, no. 5; 5, 2006, pp. 1822 - 1828.