College of Agricultural Sciences

V. D. Zheljazkov, Cantrell, C. L., and Astatkie, T., “Variation in podophyllotoxin concentration in leaves and rhizomes of American mayapple (Podophyllum peltatum L.)”, Industrial Crops and Products, vol. 33, no. 3, pp. 633 - 637, 2011.

V. D. Zheljazkov, Cantrell, C. L., and Astatkie, T., “Variation in Podophyllotoxin Concentration in Leaves and Rhizomes of American mayapple (Podophyllum peltatum L.)”, vol. 33, pp. 633-637, 2011.

S. Stanev, Zheljazkov, V. D., and Janculoff, Y., “Variation of chemical compounds in the essential oil from some native forms of chamomile (Chamomilla recutita L.)”, Beitr Zuchtungsforschung, 1996.

S. Stanev, Zheljazkov, V. D., and Jankuloff, Y., “Variation of chemical compounds in the essential oil from some native forms of chamomile (Chamomila recutita L.)”, Beitrage zur Zuchtungsforschung , vol. 2, pp. 214-217, 1996.