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, Astatkie, T., Caldwell, C. D., MacLeod, J., and Grimmett, M.,
“Compost, Manure, and Gypsum Application to Timothy/Red Clover Forage”,
Journal of Environment Quality, vol. 35, no. 6, p. 2410, 2006.
M. Munroe, Zheljazkov, V. D., Astatkie, T., and Stratton, G.,
“Comparison of Lead Extraction and Detection Procedures for Six Canadian Soils”,
Communications in Soil Science and Plant Analysis, vol. 43, no. 17, pp. 2303 - 2313, 2012.
V. D. Zheljazkov, Cantrell, C. L., Donega, M. Augusto, and Astatkie, T.,
“Bioprospecting for podophyllotoxin in the Big Horn Mountains, Wyoming”,
Industrial Crops and Products, vol. 43, pp. 787 - 790, 2013.