“THANETIAN AND EARLY YPRESIAN ORTHOPHRAGMINES (FORAMINIFERA: DISCOCYCLINIDAE AND ORBITOCLYPEIDAE) FROM THE CENTRAL WESTERN TETHYS (TURKEY, ITALY AND BULGARIA) AND THEIR REVISED TAXONOMY AND BIOSTRATIGRAPHY”. 2007. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA 113 (3). https://doi.org/10.13130/2039-4942/5884.