Tóth, T., Tomáš, J., Lazor, P., Bajčan, D., Vollmannová, A., Musilová, J., Bystrická, J., Slávik, M. and Tóth, J. 2012. IMPACT OF BIOSLUDGE APPLICATION ON HEAVY METALS CONTENT IN SUNFLOWER. Journal of microbiology, biotechnology and food sciences. 1, Special issue (Feb. 2012), 828–836.