Juhanson, J., J. Truu, E. Heinaru, and A. Heinaru. “Temporal Dynamics of Microbial Community in Soil During Phytoremediation Field Experiment”. Journal of Environmental Engineering and Landscape Management, vol. 15, no. 4, Dec. 2007, pp. 213-20, doi:10.3846/16486897.2007.9636933.