Ćirić, M., Nikolić, N., Krizmanić, J., Gavrilović, B., Pantelić, A. and Petrović, V.M. 2018. Diatom diversity and ecological status of the Lasovačka and Lenovačka streams near Zaječar: consideration of WFD implementation in Serbia. Archives of Biological Sciences. 70, 4 (Dec. 2018), 691–698.