Radoičić, R. (1995) “A contribution to the Creaceous biostratigraphy of Kaolos area, NE Iraq”, Geološki anali Balkanskoga poluostrva, 59(1), pp. 27-52. Available at: https://gabp.rgf.rs/index.php/gabp/article/view/501 (Accessed: 9October2025).