«LITHOSTRATIGRAPHY, CONODONT BIOSTRATIGRAPHY AND DEPOSITIONAL ENVIRONMENT OF THE MIDDLE DEVONIAN (GIVETIAN) TO EARLY CARBONIFEROUS (TOURNAISIAN) LIPAK FORMATION IN THE PIN VALLEY OF SPITI (NW INDIA)». Rivista italiana di Paleontologia e Stratigrafia 108, no. 1 (marzo 31, 2002). Consultato luglio 28, 2026. https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/5450.