M. R. Puspaningrum, A. R. Chivas, I. Kurniawan, U. P. Wibowo, Y. Zaim, and G. D. van den Bergh, “Isotopic reconstruction of Proboscidean habitats and diets on enigmatic island of Sulawesi”, BSED, vol. 47, no. 3, pp. 79–80, Dec. 2021.