Carciu, G., Circiu, L.-G., Alda, S., Cristea, T., Olaru, D., & Negrea, M. (2013). Contamination of surface and underground waters by nitrogen in South-West of Romania. Review on Agriculture and Rural Development, 2(1), 185–189. Retrieved from https://analecta.hu/index.php/rard/article/view/13305