Cvetković, Ljubomir, Darko Krajnović, Biljana Zrnić, and Ljuban Obradović. 2000. “Crystallochemical Characteristics of Colusite from the Bor Copper Deposit (Eastern Serbia)”. Geološki Anali Balkanskoga Poluostrva 63 (1), 155-63. https://gabp.rgf.bg.ac.rs/index.php/gabp/article/view/302.