Birgėlaitė, R., Valskys, V. and Ignatavičius, G. 2016. Use of sapropel for removal of heavy metals from solution. Mokslas – Lietuvos ateitis / Science – Future of Lithuania. 8, 4 (Oct. 2016), 388-396. DOI:https://doi.org/10.3846/mla.2016.946.