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, pp. 62-69, 2013.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and Jeliazkova, E. A.,
“Distillation Time Effect on Lavender Essential Oil Yield and Composition”,
Journal of Oleo Science, vol. 4, pp. 159-199, 2013.