Rapid plant biotest to assess the heavy metal pollution of soil. (No link available.)

Füleky, G, and Barna, S.  2008.  Biotesting of heavy metal pollution in the soil.  Carpathian Journam of Environmental Science, Vol. 3, No. 2.

Barna, S, and Füleky, G.  2007.   Evaluation of the Cd, Pb and Cu contamination of soils using a rapid plant biotest.

Eco-toxicological evaluation of soils polluted with copper. (No link available.)

Eco-toxicological evaluation of petroleum refinery wastes with a tomato-mycorrhiza test. (No link available.)

Bacteriological test experiments for compost quality control. (No link available.)