Perdoncini, Leila C., Paulo C. Soares, and Luiz A. Bizzi. “Diamonds Assotiated With the Permo-Carboniferous Glacial Deposits in the Parana Basin, Brazil”. International Kimberlite Conference: Extended Abstracts 6, no. 1 (September 19, 1995): 436–438. Accessed April 28, 2024. https://ikcabstracts.com/index.php/ikc/article/view/1921.