“Grafitoidi Iz Metamorfita Donje Ljubate (Bosiljgrad): Graphitoids from Metamorphic Rocks of Donja Ljubata (Bosiljgrad)”. 1995. Geološki Anali Balkanskoga Poluostrva 59 (2): 369-83. https://gabp.rgf.bg.ac.rs/index.php/gabp/article/view/477.