Mijić, P., N. Gaurina-Međimurec, B. Pašić, and I. Medved. “The Influence of TiO2 and SiO2 Nanoparticles on Filtration Properties of Drilling Muds”. Rudarsko-geološko-Naftni Zbornik, vol. 34, no. 4, Oct. 2019, doi:10.17794/rgn.2019.4.7.