V. D. Zheljazkov, Astatkie, T., and Schlegel, V.,
“Hydrodistillation Extraction Time Effect on Essential Oil Yield, Composition, and Bioactivity of Coriander Oil”,
Journal of Oleo Science, vol. 60, pp. 335-342, 2014.
V. D. Zheljazkov, Zhalnov, I., and Nedkov, N. K.,
“Herbicides for Weed Control in Blessed Thistle (Silybum Marianum)”,
Weed Technology, vol. 31, no. 3, pp. 1030 - 1034, 2006.
V. D. Zheljazkov, Astatkie, T., Zhalnov, I., and Georgieva, T. D.,
“Method for attaining rosemary essential oil with differential composition from dried or fresh material”,
Journal of Oleo Science, vol. 64, no. 5, pp. 485 - 496, 2015.
V. D. Zheljazkov,
“Productivity and quality of coriander in heavy metal polluted areas”,
Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 4, pp. 363-373, 1995.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and Jeliazkova, E. A.,
“Mentha canadensis L., a subtropical plant, can withstand first few fall frosts when grown in northern climate”,
Industrial Crops and Products, vol. 49, pp. 521 - 525, 2013.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and Cannon, J. B.,
“Lemongrass Productivity, Oil Content, and Composition as a Function of Nitrogen, Sulfur, and Harvest Time”,
Agronomy Journal, vol. 103, no. 3, p. 805, 2011.
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, Vick, B. A., Baldwin, B. S., Buehring, N., Coker, C., Astatkie, T., and Johnson, B.,
“Oil Productivity and Composition of Sunflower as a function of Hybrid and Planting Date”,
Industrial Crops and Products, vol. 33, pp. 537-543, 2011.