Kobayashi, Iwao, and Osamu Takano. “Records of Major and Minor Transgression and Regression Events in the Paleo-Sea of Japan During Late Cenozoic”. Revista Mexicana De Ciencias Geológicas, vol. 19, no. 3, Mar. 2019, pp. 226-34, https://rmcg.geociencias.unam.mx/index.php/rmcg/article/view/969.