pid type title authors mentors source_title published_date url doi isbn issn eissn pmf:11731 dissertation "Biogeochemical cycling of vanadium (+IV i +V) in aquatic systems and sediments" "Knežević, Lucija" ktfst:253 thesis "Utjecaj veličine miješala na kinetiku ionske izmjene bakra na zeolitu NaX" "Knežević, Lucija"