Didyk, N., S. Mashkovska, N. Ellanska, E. Yunosheva, I. Khokhlova, and L. Kikot. “Phytoherbicide Properties of Decay Products of Marigold (Tagetes L.)”. Plant Introduction, Vol. 26, June 2005, pp. 89-95, doi:10.5281/zenodo.2586126.