1. Allelopathy in Natural and Simulated Phytocenoses, Sbornik nauchnykh trudov (Collected of Scientific Proceeding), Grodzinskii, A.M., Ed., Kiev: Naukova Dumka, 1982.
2. Walker, T.S., Bais, H.P., Grotewold, E., and Vivanco, J.V., Root Exudation and Rhizosphere Biology, Plant Physiol., 2003, vol. 132, pp. 44–51.
3. Jackson, A.O. and Taylor, C.B., Plant-Microbe Interactions: Life and Death at the Interface, Plant Cell, 1996, vol. 8, pp. 1651–1668.
4. Naumov, G.F., Bozhkov, A.I., Leontovich, V.P., Sklyar, A.I., and Belous, A.M., Polyfunctionality of the Allelopathic Substance “Allelostim”, Dokl. Natl. Akad. Nauk Ukrainy, 1993, no. 11, pp. 166–169.
5. Stephenson, M.B. and Hawes, M.C., Correlation of Pectin Methylesterase Activity in Root Caps of Pea with Root Border Cell Separation, Plant Physiol., 1994, vol. 106, pp. 739–745.