«THANETIAN AND EARLY YPRESIAN ORTHOPHRAGMINES (FORAMINIFERA: DISCOCYCLINIDAE AND ORBITOCLYPEIDAE) FROM THE CENTRAL WESTERN TETHYS (TURKEY, ITALY AND BULGARIA) AND THEIR REVISED TAXONOMY AND BIOSTRATIGRAPHY». Rivista italiana di Paleontologia e Stratigrafia 113, no. 3 (novembre 30, 2007). Consultato luglio 27, 2026. https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/5884.