1996
V. D. Zheljazkov, Yankov, B., and Topalov, V.,
“Effect of mechanical and chemical weed control on the growth, development, and productivity of Mentha piperita and Mentha arvensis var. piperascens grown for planting material”,
J. Essent. Oil Res., vol. 8, pp. 171-176, 1996.
V. D. Zheljazkov, Yankov, B., and Topalov, V.,
“Effect of Mechanical and Chemical Weed Control on the Growth, Development and Productivity of Mentha piperita and M. arvensis var. piperascens Grown for Planting Material”,
Journal of Essential Oil Research, vol. 8, no. 2, pp. 171 - 176, 1996.