«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, vol. 108, fasc. 1, marzo 2002, https://doi.org/10.13130/2039-4942/5450.