Ognjanović, S., and D. Golić. “SUBSTANTIVE AND LEGAL REQUIREMENTS FOR PATENT AND LEGAL PROFECTION OF AN INVENTION”. Pravo - Teorija I Praksa, vol. 25, no. 7-8, Aug. 2008, pp. 41-50, https://casopis.pravni-fakultet.edu.rs/index.php/ltp/article/view/431.