Sharaf, E. F., BouDagher-Fadel, M. K., Simo, J. (Toni), & Carroll, A. R. (2021). A Revision of the Biostratigraphy and Strontium Isotope Dating of Oligocene-Miocene Outcrops in East Java, Indonesia. Berita Sedimentologi, 30(1), 44–58. https://doi.org/10.51835/bsed.2014.30.1.134