„Emphasizing the Toxicity of Heavy Metal Ions on Plants: Monitoring with an Amino Acids Assay“. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Bd. 37, Nr. 1, März 2014, S. 51-56, https://ojs.ugal.ro/index.php/mms/article/view/2647.