1. Bogatikov, O.A., Inorganic Nanoparticles in Nature, Vestn. Ross. Akad. Nauk, 2003, vol. 73, no. 5, pp. 426–428.
2. Burzynski, M. and Ktobus, G., Changes of Photosynthetic Parameters in Cucumber Leaves under Cu, Cd, and Pb Stress, Photosynthetica, 2004, vol. 42, pp. 505–510.
3. Chance, B. and Maehly, A.C., Assay of Catalase and Peroxidase, in Methods in Enzymology, New York: Academic, 1955, pp. 764–775.
4. Chernavina, I.A., Fiziologiya i biokhimiya mikroelementov (Physiology and Biochemistry of Trace Elements), Moscow: Vysshaya Shkola, 1970.
5. Chernavina, I.A., Potapov, N.G., Kosulina, L.G., and Krendeleva, T.E., Bol’shoi praktikum po fiziologii rastenii. Mineral’noe pitanie. Fiziologiya kletki. Rost i razvitie: Ucheb. pos. dlya student. biol. spets. vuzov (Advanced Practical Course in Plant Physiology: Mineral Nutrition, Cell Physiology, Growth and Development. Manual for Majors in Biology), Rubin, B.A., Ed., Moscow: Vysshaya Shkola, 1978.