1. Ataabadi, M., Hoodaji, M., Najafi, P., Adib, F.: Evaluation of airborne heavy metal contamination by plants growing under industrial emissions. J. Environ. Eng. Manag. 9(7), 903–908 (2010)
2. Barbeş, L., Bărbulescu, A., Rădulescu, C., Stihi, C., Chelărescu, E.D.: Determination of heavy metals in leaves and bark of Populus nigra L by atomic absorbtion spectrometry. Rom. Rep. Phys. 66(3), 877–886 (2014)
3. Barbeş, L., Bărbulescu, A.: Monitoring and assessement of heavy metals in soil and leaves of Populus nigra L. J. Environ. Eng. Manage.
http://omicron.ch.tuiasi.ro/EEMJ/accepted.htm
4. Bărbulescu, A., Barbeş, L.: Mathematical models for inorganic pollutants in Constanța area, Romania. Rev. Chim. 64(7), 747–753 (2013)
5. Bărbulescu, A., Barbes, L.: Models for pollutants evolution in an urban area. Math. Models Methods Appl. Sci. 151–156 (2012)