V. D. Zheljazkov and Nikolov, S.,
“Accumulation of Cd, Pb, Cu, Mn, and Zn by Sylibum marianum L. grown on polluted soils”,
Acta Hort. , vol. 426, pp. 297-308, 1996.
V. D. Zheljazkov and Nikolov, S.,
“ACCUMULATION OF CD, PB, CU, MN, AND ZN BY SYLIBUM MARIANUM L. GROWN ON POLLUTED SOILS”,
Acta Horticulturae, no. 426, pp. 297 - 308, 1996.