STOPIĆ, Srećko R.; FRIEDRICH, Bernd G. Leaching of rare earth elements from bastnasite ore (second part). Vojnotehnički glasnik / Military Technical Courier, [S. l.], v. 67, n. 2, p. 241–254, 2019. DOI: 10.5937/vojtehg67-20103. Dostupno na: https://asistent.ceon.rs/index.php/vtg/article/view/20103. Pristupljeno: 12 jul. 2026.