Zs. P. Komáromy szerk.: Studia Botanica Hungarica 16. 1982 (Budapest, 1982)

Hably, Lilla: The relation between Pb-pollution along mainroads and the trace element-composition in soil and vegetation (Examination of section rectangular to M3 mainroad)

pH = 7 — soil surface |ÖJ high concentracion Ej low concentracion Q most important enrichment - level (38) soil-section mainroad Fig. 12. Change of the Pb- content of the soil