1. Borůvka L., Huan-Wei C., Kozák J., Krištoufková S.: Heavy contamination of soil with cadmium, lead and zinc in the alluvium of the Litavka river.Rostl. Výr. 42, 543–550 (1996).
2. Borůvka L., Kozák J., Krištoufková S.: Distribution of Cd, Pb and Zn in plants grown on heavily polluted soils.Rostl. Výr. 43, in press (1997a).
3. Borůvka L., Krištoufková S., Kozák J., Huan-Wei C.: Speciation of cadmium, lead and zinc in heavily polluted soils.Rostl. Výr. 43, in press (1997b).
4. Domažlická E.: Plant contamination with cadmium, lead and mercury, pp. 75–121 in J. Cibulka (Ed.):Movement of Lead, Cadmium and Mercury in the Biosphere. (In Czech) Academia, Prague 1991.
5. Grupe M., Kuntze H.: Zur Ermittlung der Schwermetallverfügbarkeit lithogen und anthropogen belasteter Standorte. 1. Cd und Cu.Z. Pflanzenernähr. Bodenk. 151, 319–324 (1988).