Kun, Ágnes, C. Bozán, M. Oncsik Bíróné, and K. Barta. “Calculation Nitrogen and Sodium Budget from Lysimeter-Grown Shortrotation Willow Coppice Experiment”. COLUMELLA – Journal of Agricultural and Environmental Sciences, vol. 5, no. 2, Dec. 2018, pp. 43-51, doi:10.18380/SZIE.COLUM.2018.5.2.43.