V. D. Zheljazkov, Astatkie, T., Jeliazkova, E. A., and Schlegel, V.,
“Distillation time alters essential oil yield, composition, and antioxidant activity of male Juniperus scopulorum trees”,
Journal of Oleo Science, vol. 61, no. 10, pp. 537 - 546, 2012.
V. D. Zheljazkov, Astatkie, T., Jeliazkova, E. A., Tatman, A. O., and Schlegel, V.,
“Distillation time alters essential oil yield, composition and antioxidant activity of female Juniperus scopulorum trees”,
Journal of Essential Oil Research, vol. 25, no. 1, pp. 62 - 69, 2013.
V. D. Zheljazkov, Horgan, T., Astatkie, T., and Schlegel, V.,
“Distillation Time Modifies Essential Oil Yield, Composition, and Antioxidant Capacity of Fennel (Foeniculum vulgare Mill)”,
Journal of Oleo Science, vol. 62, no. 9, pp. 665 - 672, 2013.