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Journal of Oleo Science, vol. 62, no. 4, pp. 195 - 199, 2013.
J. Bufalo, Zheljazkov, V. D., Cantrell, C. L., Astatkie, T., Ciampa, L., and Jeliazkova, E. A.,
“Diurnal effects on spearmint oil yields and composition”,
Scientia Horticulturae, vol. 182, pp. 73 - 76, 2015.
A. J. Gawde, Cantrell, C. L., and Zheljazkov, V. D.,
“Dual extraction of essential oil and podophyllotoxin from Juniperus virginiana”,
Industrial Crops and Products, vol. 30, no. 2, pp. 276 - 280, 2009.