“REMARKS ON THE AGE OF THE LIMESTONES OF SOUTHEASTERN JAVA (INDONESIA)”. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA 97, no. 3-4 (December 30, 1991). Accessed July 27, 2026. https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/8964.