Ramkumar, M., V.A. Chandarasekaran, and S.V. Nevada. 1996. “Isotopic Signatures of the Kallankurichchi Formation (Lower Maestrichtian) Ariyalur Group, Tiruchy District, South India - Insightes from O and C Data”. Geološki Anali Balkanskoga Poluostrva 60 (1), 67-81. https://gabp.rgf.rs/index.php/gabp/article/view/424.