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.
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.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and M. Ebelhar, W.,
“Productivity, Oil Content, and Composition of Two Spearmint Species in Mississippi”,
Agronomy Journal, vol. 102, no. 1, p. 129, 2010.