“FIXING A BASAL BERRIASIAN AND JURASSIC-CRETACEOUS (J-K) BOUNDARY - IS THERE PERHAPS SOME LIGHT AT THE END OF THE TUNNEL?”. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA 117, no. 2 (July 31, 2011). Accessed July 27, 2026. https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/5976.