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, Terziisky, D., and Karageorgiev, S.,
“Pollen Morphology of Bulgarian Ocimum basilicum L. Populations”,
Journal of Herbs, Spices & Medicinal Plants, vol. 4, no. 3, pp. 71 - 76, 1997.
C. L. Cantrell, Zheljazkov, V. D., Osbrink, W. L. A., Castro, A., Maddox, V., Craker, L. E., and Astatkie, T.,
“Podophyllotoxin and essential oil profile of Juniperus and related species”,
Industrial Crops and Products, vol. 43, pp. 668 - 676, 2013.
C. L. Cantrell, Zheljazkov, V. D., Osbrink, W. L. A., Castro, A., Maddox, V., Craker, L. E., and Astatkie, T.,
“Podophyllotoxin and essential oil profile of Juniperus and related species”,
Industrial Crops and Products, vol. 43, pp. 668-676, 2013.
I. Dimitrov, Zheljazkov, V. D., Janchev, I., and Terziev, Z.,
“Photosynthetic productivity in a ribbon sowing of maize and soybean”,
Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 36, pp. 73-79, 1991.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and M. Ebelhar, W.,
“Peppermint Productivity and Oil Composition as a Function of Nitrogen, Growth Stage, and Harvest Time”,
Agronomy Journal, vol. 102, no. 1, p. 124, 2010.
A. K. Obour, Sintim, H. Y., Obeng, E., and Zheljazkov, V. D.,
“Oilseed camelina (Camelina sativa L. Grantz): Production systems, prospects and challenges in the USA Great Plains”,
Advances in Plants and Agriculture Research, vol. 2, no. 2, p. 00043, 2015.
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, no. 2, pp. 537 - 543, 2011.